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
Our physics teacher told us light __________ faster than sound last term.
#39709
A
travels
B
travel
C
travelled
D
travelling
By the end of the last month, I _____________ all the CDs of Justin Bieber.
#41903
A
collect
B
collected
C
have collected
D
had collected
His father______ for ten years.
#41552
A
has died
B
has been dead
C
died
D
was dead