People who get less than six hours of sleep per night have an increased _____ of dying early．
| A．custom | B．practice | C．disadvantage | D．risk |
Tom looked at Jenny, with tears _______ his eyes, and shouted out the words _______ in his heart for years.
| A． filling; having been hidden | B． filled; hidden |
| C． filling; hidden | D． filled; hiding |
Mr. Green didn’t understand _______made his daughter so absent-minded this morning.
| A． how that was | B． what was it | C． why it was that | D． what it was that |
Equipped with modern facilities, today’s hospitals are quite different from _____ of the past.
| A． that | B． those | C． one | D． ones |
I often think of the days _____ I stayed with the experts, _____ has a great effect on my job.
| A． when , which | B． when, who | C． that, which | D． which, that |
一What does the sign over there read?
一“No person ______ smoke or carry a lighted cigarette, cigar or pipe in this area.”
| A． shall | B． may | C． will | D． must |