If she wants to stay thin, she must make a（）in her diet.

单项选择题（）the War of Independence, the United States was an English colony.

A.Before
B.At
C.In
D.Between

单项选择题When Lily came home at 5 p.m. yesterday, her mother（）dinner in the kitchen.

A.cooked
B.was cooking
C.cooks
D.has cooked

单项选择题Did you notice the guy（）head looked like a big potato?

A.who
B.which
C.whose
D.whom

单项选择题Both the kids and their parents（）English, I think. I know it from their accent.

A.is
B.been
C.are
D.was

单项选择题Never before（）see such a terrible car accident on the road!

A.I have
B.have I
C.I did
D.did I

单项选择题Every year thousands of lives（）in road accidents because of careless driving.

A.lose
B.lost
C.have lost
D.are lost

单项选择题The young lady coming over to us（）our English teacher; the way she walks tells us that!

A.must be
B.can be
C.would be
D.could be

单项选择题Had you come five minutes earlier, you（）the train to Birmingham. But now you missed it.

A.would catch
B.would have caught
C.could catch
D.should catch

单项选择题Eggs，though rich in nourishments，have（）of fat.

A.a large number
B.the large number
C.a large amount
D.the large amount

单项选择题Mike is better than Peter（）swimming.

A.for
B.at
C.on
D.in