Antarctic __________ we know very little is covered withthick ice all the year round.
| A．in which | B．where | C．that | D．about which |
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 |
There is no doubt that your fluent English will give you a (an) _______ over other competitors for volunteers in Expo 2010 Shanghai.
| A． benefit | B． profit | C． advantage | D． reward |