Every minute must be made full use _______ in class.
#90893
A
of studying
B
to study
C
to studying
D
of to study
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