单选题：His children are well-behaved,_______those of his sister's a

题目内容：

His children are well-behaved,_______those of his sister's are very naughty. A．and
B．so
C．thus
D．while

参考答案：

答案解析：

The expression "warp speed" in the first paragraph is closes

The expression "warp speed" in the first paragraph is closest in meaning to_____

分类：成人英语三级题型：单选题

分类：成人英语三级题型：单选题

第74题答案为__________A．until B．when C．although D．because

分类：成人英语三级题型：单选题

Having been told that her son died in the accident, the old woman appeared very

分类：成人英语三级题型：单选题

Scientists say it may be five or six years_______ this medicine is tested on hum

分类：成人英语三级题型：单选题