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【題目】The scientists in China are trying ______ways to reduce pollution.

A. look for B. find out. C. to look for D. found out

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【題目】Harry decided ______ an online shop after graduating from school.

A. open B. to open C. opened D. opening

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【題目】Please call Alan _________ 495439.
A.in
B.of
C.at
D.for

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【題目】Children wake up very early____the morning of Christmas Day.

A. in B. on C. for

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【題目】—Our mother river has been polluted heavily.

—We must do everything we can___________ waste water from running into rivers.

A. keep B. kept C. to keep D. keeping

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【題目】—Is it in the bookcase?
—__________.
A.Yes, it isn't
B.No, it is
C.It's under the bookcase
D.Sorry, I don't know

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【題目】He was so tired that he fell asleep _________ he went to bed.
A.as if
B.even though
C.ever since
D.as soon as

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【題目】—Are your books on _________ chair?
—Yes, they are.
A.an
B.a
C.the
D./

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【題目】Last Thursday when I got to the airport, I ________ I had left my ticket at home.
A.forgot
B.realized
C.believed
D.seemed

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【題目】There are two new buildings near the sea, and ________ of them are very tall.
A.none
B.all
C.neither
D.both

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