—I called you at 4:00 yesterday afternoon, but no one answered.—Sorry, I ______ with my friends at that time.
#42308
A
swim
B
swam
C
will swim
D
was swimming
推荐题目
——Did you go to Jack’s birthday party? ——No, I _________. 
#39542
A
am not invited
B
wasn’t invited
C
haven’t invited
D
didn’t invite
 —I used to be quiet but now I’m very outgoing. —Oh, you __________ a lot.
#37888
A
will learn
B
will change
C
have learned
D
have changed
A lot of trees ______ in our school last year.
#41655
A
plant
B
planted
C
are planted
D
were planted
The 30th Olympic Games _________ in London soon.
#41686
A
held
B
will be held
C
were held
D
have been held