单选题 If we can ____ the conditions here, we may get success more easily.

单选题 I climbed ____ stairs to come to Miss Gao's office.

单选题 Thanks for being so ____.

单选题 My friend wants to be both a ____ and successful person.

单选题 You will certainly get much improvement if you ____ yourself ____ your studies.

单选题 They used to be very upset, but they are not so ____ now.

单选题 —You look ____. —Yes, now I could fall ____ anywhere.

单选题 But it doesn't mean they can do it any better than ____ us.