The old man was seen _______ in the park at 7:00 a.m. yesterday.
#60522
A
exercise
B
exercised
C
to exercise
D
exercising
推荐题目
The city walls _______ forty years ago. What a pity!
#53048
A
destroyed
B
destroy
C
are destroyed
D
were destroyed
---Mr. Wu, I can’t understand everything in class. ---Don’t worry! I’ll _______ the main points at the end.
#52689
A
record
B
review
C
require
D
remember
Never _______ protecting our earth. It is the only nice planet for us to live on.
#53246
A
leave for
B
learn about
C
give up
D
look up