Time is money! We should（）our time.

单项选择题She has lived here（）three years.

A.since
B.for
C.during
D.in

单项选择题She's unlucky, and she's always suffering（） luck one after another

A.a sick
B.an ill
C.sick
D.ill

单项选择题On his first sea（）he was still quite young but showed great courage to face the storm.

A.trip
B.travel
C.tour
D.voyage

单项选择题Our plane（）from London at 7:00 yesterday evening.

A.took off
B.put off
C.flew off
D.left off

单项选择题Not only I but also Jane and Mary（）tired of having one examination after another.

A.is
B.are
C.am
D.be

单项选择题Mary forgot（）a letter to her mother, so she wrote to her just now.

A.writing
B.to write
C.having wrote
D.to have written

单项选择题Mr. White has a wife and three children to（）

A.raise
B.keep
C.grow
D.take

单项选择题I know it isn't important but I can't help（）about it.

A.but to think
B.thinking
C.to 
D.think

单项选择题I think all these are main points（）much attention.

A.being worthy of
B.worthy of
C.which worth
D.which worthy of

单项选择题I don't suppose he will attend the meeting,（）

A.won’t he
B.will he
C.do I
D.don’t I