英语三级b常考短语

常考的短语如下：

1.a large amount of大量旳

2.tell *** how to do sth告诉某人怎么做某事

3.operate the machine操作机器

4.sell out卖光take off起飞、脱掉put up举起、张贴 get off从…下来,离开,出发

5.be (am is are was were) need of需要。