英语高手请进,几道选择题而已,看你对几道!

英语高手请进,几道选择题而已,看你对几道!
1.----was it there ____you were away to answer the phone?
----there is no doubt about it.
a.that b.which c.while d.where
2.----Mary,how did you Math test go?
----i had thought i ____,but in fact i came in the top 10% in my class.
a.should have failed b.couldn't have failed c.might have failed d.shouldn't have failed.
3.a warm thought suddenly came to me ______i might substitute the hero to buy some flowers
for his mother's 60th birthday.
a.if b.when c.that d.whi
4.young people who have got jobs may realize university lessons can't be the only preparetion
for all of the situations ______appear in the working world.
a.where b.when c.that d.what.
5._____seems to be a strong competition in china for senior high students to enter universities
does exist in other countries as well
a.it b.there c.what d.that
6.______along the quiet road at forty miles an hour ,and then an old man suddenly started
to cross the road in front of me .
a.driving b.when i was driving c.having driven d.i was driving
7.----Helen ,will you be at the party tonight
----Yes,but i have so much homework to do that i really ____
a.cann't b.mustn't c.won't d.shouln't