Mary with her sisters ________ Chinese in China.
#42691
A
are studying
B
have studied
C
is studying
D
study
推荐题目
_What is Mom doing now? _She______in the kitchen for us.
#42056
A
cooks
B
is cooking
C
cooked
D
will cook
——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
When the teacher came in, all of us _______.
#38764
A
stopped talking
B
stopped to talk
C
stop talking
D
stop to talk
Our teacher said that light______ faster than sound.
#38930
A
travel
B
travels
C
travelled
D
is travelling
 John _______ at his uncle’s for 3 days and he is now at home.
#41708
A
stayed
B
has stayed
C
had stayed
D
was staying