As we all know, it’s not polite to keep others_________for a long time.
#95523
A
wait
B
waited
C
to wait
D
waiting
推荐题目
—How do you deal with the disagreement between the company and the customers? —The key ___ the problem is to meet the demand ____ by the customers.
#97320
A
to solving; making
B
to solving; made
C
to solve; making
D
to solve; made
--You should have thanked her before you left. ---I meant _______. But when I was leaving I couldn’t find her anywhere.
#98447
A
to do
B
to
C
doing
D
doing so
One winter day ____, he saw the tracks of animals in the snow and observed that the appearance of each one was different.
#95095
A
while he hunting
B
while hunting
C
while he hunt
D
while hunted