Many trees ________ along the streets every year. So the air is very fresh now.
#44614
A
plant
B
are planted
C
planted
D
were planted
推荐题目
We will fly a kite as soon as your homework ______.
#45025
A
finishes
B
will be finished
C
has finished
D
is finished
Nobody ______ to go into the laboratory without permission (允许).
#44894
A
allows
B
is allowed
C
promises
D
is promised