What do you usually do____ Sunday mornings’.
#45951
A
in .
B
at .
C
on.
D
for.
推荐题目
How do you study English ?I study English_____  grammar.  
#47327
A
by learn
B
by learning
C
in learn
D
in learning
You’d better call me in advance if you want to go with me .
#47634
A
in front
B
on time
C
ahead of time
D
later
Call Tony________ 563—8902.
#49155
A
in
B
on
C
at
D
with