Seals can____ because they have a thick layer of blubber under their far.
A.keep them warm
B.keep themselves warm
C.they keep warm
D.keep their warm

There were two small rooms in the beach house, ________ served as a kitchen.
A.the smaller of which
B.the smallest of vvhich
C.the smaller of them
D.smallest of that

________ that has happened is a waste of time.
A.Something
B.Regretting something
C.Something regretted
D.Something to regret

________ I post that letter for you on the way to the office?
A.Would
B.Will
C.Do
D.Shall

You smell awful! It’s about time you___ a bath.
A.have
B.will have
C.had
D.to have

She________ two miles and a half.
A.runs
B.has been running
C.has run
D.was running

A.comfortable
B.Vietnamese
C.inexpensive
D.irresponsible

The number of working vvomen in China ________ from 49% in 1980 to nearly 65% today.
A.A. has been increasing
B.has increased
C.is increasing
D.have increased

A.simplicity
B.bamboo
C.industrial
D.clarify

A.destruction
B.volunteer
C.economical
D.recommend