1.__semester__/s??mest?(r)/ n.学期
2.__gas__/ɡæs/n.汽油;气体;燃气
3.__petrol__/?petr?l/ n. (NAmE gas)汽油
4.__subway__/?s?bwe?/n.(BrE underground)地铁
5.__apartment__/??pɑ?tm?nt/ n.(especially NAmE)公寓套房(=flat)
6.__pants__/pænts/n. [pl.] (BrE)内裤;短裤;(especially NAmE)裤子
7.__beg__/beg/vt.恳求;祈求;哀求→__beg__sb.'s__pardon__请某人原谅;向某人道歉