He __________ his aunt’s when he went to Wuhan on business. 
#72925
A
called on
B
called at
C
dropped in on
D
dropped in
推荐题目
Go back home now, Mary. Your parents ______ your safety.
#63864
A
are concerned about
B
are concerned with
C
are concerned on
D
concern of
If you _____ your hand as far as you can, you should be able to touch it.
#65160
A
hold out
B
push out
C
reach out
D
pull out
It _____ that he was late for the train. 
#83284
A
loos
B
turns
C
gets
D
seems