218. In spite of the thunderstorm, the children slept _____ all night.

　A. densely B. soundly C. loudly D. noisily

217. They did not find _____ to prepare for the worst conditions they might meet.

　A. worth their while B. it worthwhile C. it worth D. it worthy

216. The microphone enabled them to keep in touch, in other words, it made it _____ for them to contact each other.

　A. likely B. capable C. possible D. probable

215. She is making herself ill with _____ over her son's future.

　A. trouble B. annoyance C. disgust D. worry

214. When products made in factories _____, they are thrown away as garbage.

　A. come to an end B. are put to use C. are used up D. wear out

213. I _____ her not to walk on the thin ice but she would not listen to me.

　A. warned B. persuaded C. suggested D. noticed

212. It was clear that the small grocer was _____ people he owed money to.

　A. at the expense of B. at the risk of C. in the way of D. at the mercy of

211. The party, which had been greatly _____, was spoiled by the rude behavior of an uninvited guest.

　A. looked forward to B. looked up to C. called forth D. called for

210. Everything he said then was _____ by what happened later.

　A. identified B. signified C. noticed D. verified

209. The chances of discovering life on Neptune are about a million _____.

　A. at one B. for one C. to one D. against one