1.-She looks very happy.She __have passed the exam.
-I guess so.It'snot difficult after all.
A.should b.could c.must d.might
2.Please return the book to him for me if__.
a.you're convenient b.it is convenient for you
c.you feel convenient d.it is convenient with you
3.He ran as fast as he could __the bus.
a.catch b.to catch c.catching d.caught
4.__he followed my advice,he would have succeeded.
a.when b.if c.had d.has
5.__smoking here will be fined.
a.who b.whomever c.anyone d.whoever
6.After __seemed like hours he came out with a bitter smile.
a.which b.it c.what d.that
7.__ is known to everybody,the moon travels round the earth once every month.
a. it b. as c.that d.what
8.He is always really rude,__is why people tend to avoid him.
a.that b.it c.this d.which
9.__,we went for a swim.
a.Being hot weather b.It being hot weather
c.As it is hot weather d.It was hot weather
10.Before he went adroad,he spent as much time as he__English.
a.could learning b.learned c.to learned d.could learn
OK!就这十题了，要好好做啊！