用所給詞的適當形式填空：1.She's been ___(swim) for two hours.2.Miss Zhao ___ (teach) us English last year.3.Jim was the ___ (one) student to get to school this morning.4.He wants a new pair of ___(skate).5.I've been studying Japanese since I ___ (work)on the farm.6.The machine is running ___(順暢地）now.7.Has anyone any other ___（建議）to make?8.Li Jian is the ___(優(yōu)勝者）of the contest.9.It's my ___(私人秘密）.It's nothing to do with anybody.10.Haven't you ever ___(聽說）anything so funny?11.I get her two ___(圍巾）.12.I got the watch as a gift on my ___（十二）birthday.13.Parrots are ___(最不尋常）pets of all.14.I gave her several ___（建議）.15.What a ____(幸運）boy he is