问题

There is hardly an environment on earth ______ somespecies of animal or other have not adapted successfully.

A:to which
B:in which
C:for which
D:on which

正确答案是：

同类题型

very tired when I got home, and I ______straight to bed

Do you know _____ that Mr. White left the partywithout saying a word last night —Perhaps because he was angry with Alan’s ruderemarks.

No matter _____great progress you have made in your studies, you should continue to work hard.[ ]

_______, follow the directiom on the bottle carefully

I want to know something about your holidays. Would you please tell me how you usually _____ Thanksgiving Day in your country?[ ]