－Have you seen Mr. Black these days, Jack?－Yes, I met him when I ________ in the street yesterday.
#49575
A
walked
B
was walking
C
have walked
D
is walking
推荐题目
We’ll do what we can _________ our environment.
#49518
A
protect
B
to protect
C
be protected
D
be protecting
---- What about ______ a kite with me now?---- Sorry I can’t. I have to do my homework.
#48441
A
to fly
B
flying
C
fly
D
is flying
Mr Lin asked us questions in English, not in Chinese.
#50662
A
answer
B
to answer
C
answering
D
answered
My parents told me try ______on Christmas Eve because Santa Clause may come and send me some gifts.
#50171
A
not to sleep
B
don't sleep
C
not sleep
D
to not sleep