赞题库-背景图

单项选择题

—The air is full of smoke and people are coughing.
—It will get worse ______ the government does something about the pollution.

A. but
B. unless
C. except
D. if

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热门试题

单项选择题The news ______ to Shanghai delighted all of them.

A. they would go
B. which they would go
C. that they would go
D. would go

单项选择题This is ______ the question lies.

A. what
B. that
C. where
D. how