— I have no question at the moment, sir. — Don’t ________ to call me if you need a hand. I’ll help you.
#73550
A
wait
B
hesitate
C
delay
D
abandon
推荐题目
 At horse races, everyone has already studied the form (类型) of the horse______.
#63976
A
behind time
B
in progress
C
in advance
D
in time
It is very common that former people have difficulty in  _____ modern life. 
#70682
A
sticking to
B
relating to
C
adjusting to
D
connecting to