Millions of trees         on March 12th last year.
#53285
A
are planted
B
were planted
C
was planted
D
is planted
推荐题目
It’s difficult for the old women from the countryside ________a job.
#56049
A
to look for
B
look for
C
to find
D
find
We _______  pay to get into the concert. It's free.
#52612
A
can't
B
mustn't
C
might not
D
don't have to
----Mum, can I do the homework tomorrow?   ------You _______finish it today.
#57872
A
had better
B
had rather
C
had better don’t
D
had rather not