单项选择题
A.defects B.flaws C.faults D.errors
A 200-year-old building is very old in American（）A.term...
单项选择题A 200-year-old building is very old in American（）
A.terms B.points C.outlooks D.definitions
He who wants to succeed must（）difficulties and bitterne...
单项选择题He who wants to succeed must（）difficulties and bitterness first.
A.undertake B.understand C.undergo D.underline
The children（）at the sound of the terrorists' guns.A.pa...
单项选择题The children（）at the sound of the terrorists' guns.
A.panicked B.pained C.picnicked D.pitied
