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
Sitting at the corner of the meeting room, he looked sad because there were so many problems ________.
#89024
A
remaining to settle
B
remained settling
C
remaining to be settled
D
remained to be settled
His life is in such a mess as leads to _____ in an unpleasant cycle.
#96966
A
him caught
B
his being caught
C
him to be caught
D
his catching
In order to make our city green, _______.
#98611
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
That could set off a “credit event,” ______ world financial markets into turmoil（混乱）, much as the collapse(倒闭) of Lehman Brothers ______ in the fall of 2008.
#95443
A
threw；did
B
throwing；did
C
threw；had
D
throwing；had
With so many people ____ the Internet, it is difficult to see online movies at the same time.
#95273
A
surf
B
to surf
C
surfing
D
surfed