The mayor is happy to find that many trees _______ in our city last year. 
#44369
A
plant
B
were planted
C
planted
D
are planted
推荐题目
The dogs were made __________ as fast as they could.
#44740
A
run
B
ran
C
running
D
to run
---Where’s your mother?   ---Oh, she ______ Shanghai on business. 
#44748
A
have been to
B
have gone to
C
has been to
D
has gone to
English __________ by many people in the world.
#44455
A
use
B
uses
C
is used
D
used
It’s a rule in my class that our classroom ______ before 6:00 p.m. every day.
#44688
A
be able to clean
B
should be cleaning
C
must clean
D
must be cleaned