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【单选题】
—Sorry, Mr. Green. I ________ my English book at home.
—That's OK, but don't forget next time.
[ ]
A.
forgot
B.
forget
C.
left
D.
kept
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【单选题】— What do you think of the young lady?— She is hard-working．She ________ all her effort into her work before she got ill．— What do you think of the young lady?— She is hard-working. She ________ all h...
A.
has put
B.
put
C.
had put
D.
would put
【单选题】Food safety is important. Rules _____ to stop people from food pollution. [ ]
A.
must make
B.
must be made
C.
canmake
D.
can't be made
【单选题】---Have you heard of Earth Day? --- Yes, We have only one Earth．We have no choice but ________ it.---Have you heard of Earth Day? --- Yes, We have only one Earth. We have no choice but ________ it.
A.
protect
B.
protected
C.
protecting
D.
to protect
【单选题】A moment, please. I'm checking if Mr. Smith _______ free tomorrow.[ ]
A.
is
B.
being
C.
to be
D.
will be