A.forB.atC.onD.inMike is better than Peter（）swimming.……

单项选择题Harry, who had failed in the final exam, had a great worry（）his mind.

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

单项选择题（）girl dressed（）black is her sister Rose.

A.A；in
B.A；on
C.The；on
D.The；in

单项选择题Although he did not know London well, he made his way（）to the airport.

A.easy enough
B.enough
C.easily enough
D.enoug heasily

单项选择题Two thousand dollars（）enough for the car

A.being
B.were
C.are
D.is

单项选择题They have learned about（）in recent years.

A.several hundreds English words
B.hundreds of English words
C.hundred of English words
D.several hundred English words