For a long time, he hesitated whether he should tell us ____ what had happened.
#27121
A
at dusk
B
at length
C
at present
D
at stake
推荐题目
Some people feel easy and comfortable to be served by others but when they are asked to serve others ______, they are unwilling or even hate to do so.
#27508
A
in turn
B
in their turns
C
in their turn
D
by their turn
--- How many students are there in your school?--- There are 2,000 students here __________.
#25802
A
first of all
B
in all
C
after all
D
at all