2. do sth. in vain:____________
举一反三
- 帮助某人做某事 A: help sb. do sth B: help sb. to do sth. C: help sb. in doing sth.
- be dedicated to sth. A: contribute to sth. B: pay attention to sth
- Match the words with their meanings--immune to A: formally make sth. such as a complaint or claim B: admit sth. that you feel embarrassed about C: continue to do sth. that has already been planned or started D: not affected by sth
- 以下哪些搭配是正确的？ A: prefer sth to sth B: prefer doing sth to doing sth C: prefer to do sth rather than do sth D: prefer to do sth rather than to do sth
- Which collocation is incorrect(不正确)? A: prefer sth. to sth. B: prefer doing sth. to doing sth. C: prefer to do sth. rather than do sth. D: prefer to do sth. rather than to do sth.