_____ environmental damage is done, it doestake many years f..

_____ environmental damage is done, it doestake many years for the ecosystem to recover.A. Even if B. While C. Only ifD. Once

查看答案

Her pale face suggests that she ______ in poor health and st..

Her pale face suggests that she ______ in poor health and strongly suggest that she _____ a doctor.A. is; seesB. be; see C. is; seeD. be; should see

查看答案

Can you imagine that a smart man like him ________ make such..

Can you imagine that a smart man like him ________ make such a stupid mistake?A.mightB.shouldC.wouldD.need

查看答案

Don't look _____ the employee only _____ she is a woman. ..

Don't look _____ the employee only _____ she is a woman.A. down on; because of B. upon down; because C. down upon; because D. down upon; because of

查看答案

(2013·青岛二模)John ________ yet, or he would have telephone..

(2013·青岛二模)John ________ yet, or he would have telephoned me.A.mustn't have arrived B.shouldn't have arrivedC.needn't have arrived D.can't have arrived

查看答案