A large number of students           planting trees now, the number of the students         2000.
#41960
A
is, is
B
are, is
C
is, are
D
are, are
推荐题目
Inthepast few years,thousandsoffilms     all overtheworld.
#40491
A
have produced
B
have beenproduced
C
are producing
D
are beingproduced
My brother came back home while I           homework.
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A
am doing
B
did
C
was doing
D
were doing
— Why _____ these cards ______ orange?— Because orange can cheer you up.
#40296
A
do; colour
B
are; colour
C
are; colouring
D
are; coloured