词性转换、401.\x05Now we have realized the ________ of population

词性转换、
401.\x05Now we have realized the ________ of population control.(important)
402.\x05The boy worked out the maths problem without any ________ (difficult)
403.\x05His brother became a professional _______ at last.(football)
404.\x05In,fact,he felt even ________.(bad)
405.\x05Because of his ________,he cannot go to school today.(sick)
406.\x05Paper causes fire _________.(easy)
407.\x05These _______ (busy) letters are written in English.
408.\x05__________,I missed the last train yesterday.(lucky)
409.\x05Tom did not do his homework as _________ as before,(care),so he made a lot of mistakes.
410.\x05We will try our ______ (well) to pass the exam.
411.\x05Don’t talk ______(loud) in the library.
412.\x05My father told me lots of his exciting _______ in Japan.(experience)
413.\x05They have ______ in doing this job.( difficult)
414.\x05Water is very useful to _______ (life) things.
415.\x05The first plane flew only 120 _______ (foot)
416.\x05It is _______ (near) eight.
417.\x05He will pay a ________ (friend) visit to us tomorrow.
418.\x05The shoes are in all _______ (size) in our shops.
419.\x05The ________ in our ________often help each other.(neighbour)
420.\x05The ______ season will come.But I don’t like _______ all the time.(rain)
421.\x05I was very _______ with the ________ trip.(please)
422.\x05The black was much _______ (ill) without any medicine.
423.\x05Please your _______ (dirt) hands.
424.\x05The _______long and hard,but he didn’t stop _________.(run)
425.\x05They put on many clothes so that to keep them ______ (warm) in cold weather.
426.\x05He kept _______ (wait) for me yesterday.
427.\x05________ (sing) is a laguage.

401.\x09Now we have realized the __importance______ of population control.(important)
402.\x09The boy worked out the maths problem without any __difficulties______ (difficult)
403.\x09His brother became a professional __footballer_____ at last. (football)
404.\x09In, fact, he felt even ___worse_____. (bad)
405.\x09Because of his __sickness______, he cannot go to school today. (sick)
406.\x09Paper causes fire __easily_______. (easy)
407.\x09These ___business____ (busy) letters are written in English.
408.\x09___Luckily_______, I missed the last train yesterday. (lucky)
409.\x09Tom did not do his homework as __careless_______ as before, (care), so he made a lot of mistakes.
410.\x09We will try our __best____ (well) to pass the exam.
411.\x09Don’t talk __loudly____(loud) in the library.
412.\x09My father told me lots of his exciting ___experience____ in Japan. (experience)
413.\x09They have _difficulties _____ in doing this job. ( difficult)
414.\x09Water is very useful to _living______ (life) things.
415.\x09The first plane flew only 120 ___feet____ (foot)
416.\x09It is __nearly_____ (near) eight.
417.\x09He will pay a __friendly______ (friend) visit to us tomorrow.
418.\x09The shoes are in all __sizes_____ (size) in our shops.
419.\x09The ___neighbours_____ in our _neighbour_______often help each other.(neighbour)
420.\x09The ___rainy___ season will come. But I don’t like __raining_____ all the time. (rain)
421.\x09I was very __pleased _____ with the __pleasant______ trip. (please)
422.\x09The black was much ___worse____ (ill) without any medicine.
423.\x09Please your ___dirty____ (dirt) hands.
424.\x09The ___running ____long and hard, but he didn’t stop ___running______. (run)
425.\x09They put on many clothes so that to keep them _warmer_____ (warm) in cold weather.
426.\x09He kept __waiting_____ (wait) for me yesterday.
427.\x09___Singing _____ (sing) is a laguage.