22、Assembly language

296、be composed of由以下部分组成

295、on doing sth是做某事

294、有些动词后跟V-ing或跟toV意义不一样。

293、make a profit是赚钱

292、are based on是基于

291、be equal ()

290、We did it together; it was a( )() effort

289、But how do you know when you＇ve () the right boss?

288、In Professor Weinstein＇s class, for example

287、Though you () qualify for many positions