A. Speaking, please. B. Go ahead. C. Hold the line, please.

【題目】—Could you please the window? It's cold outside.
—Sorry, I won't.
A.open
B.not open
C.not to open

【題目】He is a clever boy. His __________ are of great __________ to us.
A.advice; value
B.suggestions; value
C.advice; valuable
D.suggestion; valuable

【題目】—Where do you sit, Peter?
—I sit ________ Millie. She is just on my right.

A. next to
B.in front of
C.before
D.behind

【題目】Many children __________ your age are always __________ a good mood to do the things they're interested in.
A.at, in
B.of, in
C.at, on
D.of, with

A. He, I and you B. He, you and I

C. You, he and I D. I, you and he

A. for help B. for helping

C. help D. helping

A.after B.for

C.during D.in

【題目】Scientists are working hard to make __________ possible for people to live on Mars in the future.
A.it
B.that
C.this
D.one

–Collecting stamps. I can learn a lot _______ them.

A. at; from B. in; from C. at; for