请讲解原因、
1..Since Christina felt uncomfortable ____ decisions for the entire group,she thought she'd ask the others.
A.make B.to make C. making D. having made
2.She wanted me to phone a number in Zagreb to find out if her husband,who ____ to Yugoslavia for an Operation on his liver just before the war,was alive or dead.
A.would go B. has gone C.went D.had gone
3.____ my college years soon coming to an end, I have to decide what I wanr to do after I graduate.
A.During B. With C.For D.Since
4.It was not until I visited him ____ how serious his illness was.
A.did I realize B.that I realized C.when I realized D.little did I realized
5.It is often said that ____ man differs from ____ animals in that he can think and speak and dream.
A.the; the B. a; the C./; the D./; /
6.--Oh, it's you! I didn't recognize you.
-- I ___ my hair cut,and ___ dark glasses.
A. had; was wearing B. had; wore C. have had; wear D. have had; am wearing
7.Much as he wanted to help us cook the dinner,he was actually ____ .
A. in the way B. by the way C. on the way D.off the way
]8.--Need lock both of the doors after the experiment?
--Certainly! You can never be ______ .
A. very careful B. much careful C. more careful D. too careful
9.--____ these books ____ well?
--Yes, they have all been sold out.
A. Are; selling B. Were; sold C.Are; sold D. Have; been sold