In order to make our city green,______.
#98146
A
it is necessary to have planted more trees
B
many more trees need to plant
C
our city needs more trees
D
we must plant more trees
推荐题目
Before becoming a pilot, he spent quite a long time ____.
#96741
A
to be trained
B
being trained
C
training
D
to train
As the final examination is coming , the students are busy ____ it.
#96371
A
preparing
B
preparing for
C
prepare
D
prepare for
We were astonished ________ the temple still in its original condition.
#91359
A
finding
B
to find
C
buying
D
to have bought