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
Some teenagers ________ playing computer games ______ playing outside .
#57293
A
prefer , to
B
would rather , than
C
like , better
D
enjoy , than
 The sweater can’t ______ in the machine.
#52887
A
wash
B
washed
C
be washed
D
be washing
—Can I ______ your bike, Sam?—Sorry, I ______ it to Mike just now.
#58748
A
borrow; lent
B
borrow; borrowed
C
lend; lent
D
lend; borrowed
We’re looking forward to _____ your school.
#53977
A
visit
B
visiting
C
looking
D
watching