A 200-year-old building is very old in American（）

单项选择题He who wants to succeed must（）difficulties and bitterness first.

A.undertake
B.understand
C.undergo
D.underline

单项选择题The children（）at the sound of the terrorists' guns.

A.panicked
B.pained
C.picnicked
D.pitied

单项选择题He didn't place much（）on his friends' suggestions.

A.attention
B.weight
C.value
D.importance

单项选择题（）Peter goes to the evening party will she go.

A.Only
B.If
C.Only if
D.If only

单项选择题Don't be so shy. You need to learn to（）yourself.

A.assist
B.assert
C.asset
D.assure

单项选择题She ought to stop work;she has a headache because she（）too long.

A.read
B.had read
C.is reading
D.has been reading

单项选择题A lorry（）Jane's cat and sped away.

A.ran over
B.ran into
C.ran through
D.ran down

单项选择题It is not easy to learn English well, but if you（） you will succeed in the end.

A.hang up
B.hang about
C.hang on
D.hang onto

单项选择题The committee kept the results of the survey（）fearing a bad public reaction.

A.in itself
B.to itself
C.by itself
D.of itself

单项选择题In（）to your inquiries, we regret to inform you that we can’t help you in this matter.

A.order
B.response
C.answer
D.reaction