Better _____ all the lights are turned off before you leave the classroom．
#97559
A
to be sure
B
to make sure
C
be sure
D
make sure
推荐题目
Knowing office rules, whether ______ or not, is always of great importance, especially for young job seekers.
#94944
A
written
B
writing
C
being written
D
having been written
To play fair is as important as ______.
#97504
A
to play well
B
play well
C
we play well
D
playing well
Children，when ______ by their parents, are allowed to enter the stadium.
#88391
A
to be accompanied
B
to accompany
C
accompanying
D
accompanied
The teacher called Tom to his office because he was caught_____in the exam.
#96846
A
to cheat
B
cheating
C
cheated
D
cheat
Jim was ashamed of himself for _______ rude words to the beggar in the street the week before.
#91544
A
having said
B
having been said
C
saying
D
being said