It was not until August _____ the two sides finally reached an agreement.

A. hadn’t known B. don’t know

C. wouldn’t know D. wasn’t knowing

A. because B. of

C. why D. to

A. am in the habit of B. make a rule of

C. ought to D. used to be

A. where I worked there B. which I worked

C. in which I worked D. where I worked in

A. had the words spoken B. the words had spoken

C. the words had been spoken D. had the words been spoken

A.Created chances and challenges to the Americans.

B.Forced them to get high position in their work.

C.Made them manage to earn much more money.

D.Given them chances to communicate with foreigners.

A. was difficult to collect

B. came in a variety of forms

C. was difficult to get rid of

D. tended to be absorbed by physical objects

A.Delighted.

B.Sad.

C.Agreeing.

D.Disagreeing.

A.The shortage of energy and air pollution.

B.The shortage of energy and the land to hold garbage.

C.Air pollution and the shortage of fossil fuel.

D.Air pollution and the shortage of land to hold garbage.

A．国家园林城市  B．全国文明城市

C．国家卫生城市  D．国家森林城市