单项选择题

A．butB．thoughC．unlessD．in caseMany people believe we ar……

Many people believe we are heading for an environmental disaster(灾难) （）we radically(根本地) change the way we live.

A．but
B．though
C．unless
D．in case

<上一题目录下一题>

热门试题

单项选择题It's good that we （）to the park because it's started to rain.

A．don' t go
B．hadn' t gone
C．didn' t go
D．wasn' t going

单项选择题All the girls swam in the lake except two, who（）halfway.

A．gave off
B．gave up
C．gave away
D．gave out

单项选择题--I called you yesterday. A woman answered, but I didnt recognize her voice. --Oh, it （）my aunt Jean.

A．must be
B．must have been
C．might be
D．can have been

单项选择题What（）you do this Sunday if it （）

A．do, will rain
B．will, rain
C．do, rains
D．will, rains

单项选择题Instead of calling （）his uncle, he called （）my new house with his wife that day.

A．by; for
B． on; at
C．for; on
D．at; by