A.comfort
B.hobby
C.popular
D.knowledge

A.complain
B.main
C.explain
D.certain

A.official
B.collect
C.collapse
D.colony

A.uniform
B.ticket
C.tide
D.inspration

A.shore
B.short
C.shorthand
D.observe

A.seat
B.Search
C.seaside
D.season

The doctors know that it would be difficult to save the life of the patient but they'll do their best.
A.would be
B.to save
C.do
D.their best

I'll go to the school to collect the children. They are used to be picked up after school everyday.
A.the school
B.are used to
C.be picked
D.after

My lather wishes that he doesn't have to retire at the age of sixty.
A.doesn't
B.have to
C.at
D.the age

I wish I can earn more money and work less time. But, of course I can't
A.can
B.earn
C.work
D.less time