three years___ a long time for us students.A are B be C is D
three years___ a long time for us students.A are B be C is D
Three years( )a long time for us students A.a
Two months ____ quite a long time.A.be B.are C.is D.was 请说明一
They are for ( ) students.选择:A.our B.we C.ours D.us
How time flies!Three years 【】passed.A have B has C is D are
Three ___ three is nine.A.time B.is time C.times D.and
Three fifths water_ from the weel.A.is B.are C.be D.been
Look!Here____the students' classroom A.be B.am C.is D.are
It is essential that you ____on time.A.be B.are C .were D.be
don't ___late next time.a.is b.are c.will be d.be
25.Neither of us __________ good at music A.is B.are C.be D.
选择The news ___ very exciting to us (A.be B.is C.was D.are)