----I called you at 4:00 yesterday afternoon ,but nobody answered. ----Sorry,I____with my friends at that time.
#53785
A
swim
B
swam
C
will swim
D
was swimming
推荐题目
Lin Dan’s success_______ all the Chinese. We believe that he can do better in the 2016 Olympics.
#53326
A
cheered up
B
woke up
C
called up
D
cleaned up