We are working, that means that we are contributing goods and services to our society.
A.that
B.that
C.contributing
D.services

Thank you very much of the present that you sent me.
A.very
B.much
C.of
D.that

A.laughed
B.contained
C.established
D.talked

A.choice
B.chemistry
C.cheap
D.chicken

A.nation
B.television
C.interesting
D.international

He said that he _________better after smoking a cigarette.
A.feels
B.will feel
C.would feel
D.has felt

The teacher advised him _________harder.
A.study
B.to study
C.studying
D.studies

A: That's a very nice dress you're wearing. –B: _________.

A.That's nice
B.I'm glad you like it
C.That's all right
D.You're quite right

During the school year, my mother doesn't allow me _________to bed late.
A.went
B.going
C.to go
D.go

Although the increase in air fares, most people still prefer to travel by plane.
A.although
B.in
C.prefer
D.by