We should participate in the movement _______ to conserve the natural environment.
A.to organize
B.organizing
C.which organized
D.organized

A.habitat
B.antelope
C.sociable
D.politeness

A.volunteer
B.competition
C.advantage
D.capability

A.acceptance
B.confidence
C.apologize
D.diversity

I didn't understand his directions. However, I asked him to repeat what he’d said.
A.didn't
B.However
C.asked him
D.he’d said

With the development of the Internet and the World Wide Web, businessmen do not hardly have as much traveling as they used to.
A.development of
B.businessmen
C.hardly have
D.they used to

Although caffeine is a habit-forming drug, coffee is not harmfully to the average healthy adult.
A.Although
B.habit-forming
C.harmfully
D.healthy

-“Do you mind if I take a seat?” - “_____________ .“
A.Yes, I don’t mind
B.No, do as you please
C.No I mind
D.Yes, do as you please

My parents lent me the money. _______, I couldn’t have afforded the trip.
A.However
B.Therefore
C.Only if
D.Otherwise

It was Mr. Harding _______ the bill to yesterday.
A.who sent my secretary
B.to whom my secretary sent
C.that my secretary sent
D.my secretary sent