Every year lots of trees _______ to make our country more beautiful.
#45056
A
is planted
B
was planted
C
are planted
D
were planted
推荐题目
--- Can you tell me whom the play ______ in the 1990s?--- Sorry, I don’t know.
#44626
A
was written by
B
was written
C
is written
D
1s written by
Sixteen-year-olds         to drive.
#44679
A
is allowed
B
are not allowed
C
allowed
D
is not allowed
Waste paper mustn’t _______. We should keep our environment clean.
#44420
A
throw away
B
thrown away
C
be thrown away
D
been thrown away
The road ______ last year.
#45073
A
builds
B
built
C
was built
D
is built