请写出课内短语：1.从…中受益 （只填写两个词，不用写sth. 和省略号）2.尽量试着做某事；勉强试着做某事（只填写五个词，不用写sth. ）3. 因…而筋疲力尽；因…而疲惫不堪（只填写三个词，不用写sth. 和省略号）4. 花很大代价做某事（只填写六个词，不用写sth. ）5. 派得上用场
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
- on doing sth是做某事
- 重视做某事 未知类型：{'label': 'questionDesc', 'content': '请为以下词组选择适合的英文表达。', 'isMemberControl': 0, 'type': 181} A: look forward to doing sth. B: make a point of doing sth. C: get used to doing sth
- speak highly ___ sb./sth. 赞扬某人/某事set ____ doing sth. 着手开始做某事