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 I finished ______ my homework about two hours ago.
#50240
A
to do
B
doing
C
does
D
to does
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My friend is ______her sister.
#50081
A
babysitting
B
babysits
C
babysiting
D
to babysit
 I really don’t know____________.
#50551
A
how to do
B
what to do
C
what should I do
D
how I should do
---Do you have any problems ______ your business?---No．thank you very much．
#50122
A
deal
B
deal with
C
dealing
D
dealing with
My teacher is an interesting man, his words made everyone _________.
#48872
A
laughed
B
to laugh
C
laugh
D
laughs
---Why does Tommy look unhappy ? --- Because his teacher makes him _______ the classroom all by himself .
#50728
A
to clean
B
clean
C
cleans
D
cleaning