—I called you at 4:50 yesterday afternoon, but no one answered.—Sorry. I_______with my friends at that time.
#39364
A
swam
B
swim
C
was swimming
D
will swim
推荐题目
____ they ____ a cow yesterday?
#39339
A
Did; milked
B
Did; milk
C
Do; milked
D
Do; milk
As students, we are supposed to spend more time _________ . 
#40373
A
study
B
studied
C
studying
D
to study