At the meeting they discussed three different ______to the study of mathematics.
A. approaches   　　 B. means   　　　　 C. methods   　　　 D. ways

After the guests left, she spent as much time as she could ____ the rooms.（ ）

A. tidy up　　 B. to clear away　 C. clear away　 D. tidying up

— We haven’t heard from Jane for a long time.

— What do you suppose ____ to her?

　 A. was happening　　 B. to happen　 C. has happened　　 D. having happened

Thai is the only way we can imagine _______ the overuse of water in students' bathrooms.（ ）

A. reducing　　　　 B. to reduce　　　　 C. reduced　　　　　 D. reduce

All the guests went out of the dining room，________Mr Wang alone at the table.

A．to leave B．left

C．leaving D．and had left

It is usually warm in my hometown in March, but it ____ be rather cold sometimes.

A. must　 B. can　　 C. should D. would

Jim sold most of his things. He has hardly 　　 left in the house.

A．nothing　　　　 B．something　 C．anything　　 D．everything

All I require ____________you is to support the project.

A. for　　　　　　 B.of　　　　　　 C.to　　　　　　 D.from

As a war reporter in Iraq, Shui Junyi is _____ to many dangers.

A. showed B. prevented C. exposed 　 D. selected

__________ full preparations, we decided to put off the meeting till next week.

A. We did not make　　　　　　　 B. Having not made

C. We had not made　　　　　　　 D. Not having made