If business had been carried out to our satisfaction，we（）to renew the Agency Agreement.A、had agreedB、already agreedC、shall agreeD、should have agreed

By the end of last year they _____ 1,000 machines.

A. turned out

B. had turned out

C. would turn out

D. had been turned out

A、carries out

B、carried out

C、was carried out

D、has carried out

A. should be attacked

B. must be attacked

C. had been attacked

D. would be attacked

She ______ soon after dark and arrived home an hour later.

A、had set out

B、set out

C、have set out

D、had been set out

If your business with us had been carried on to our satisfaction,we ()to renew the Agency Agreement.

A、should have agreed

B、had agreed

C、shall agree

D、already agreed

A.On all accounts

B.Without the doubt

C.Out of doubts

D.Out of accounts

If we had a sample in hand, we () to negotiate business with our end-users now.

A、would be able

B、should have

C、had been able

D、should have been able

A. a, has

B. /, has

C. a, have

D. a, had

There _____ no further business, the meeting came to a stop.

A. was

B. has been

C. being

D. had been

D On May 23,1989, Stefania Follini came out from a cave at Carlsbad , New Mexico. She hadn’t seen the sun for eighteen and a half weeks . Stefania was in a research program, and the scientists in the program were studying body rhythms (节奏)。In this experiment Stefania had spent 130 days in a cave ,30 feet in depth.

During her time in the cave, Stefania had been completely alone except for two white mice. Her living place had been very comfortable ,but there had been nothing to fell her the time .she’d had no clock or watches , no television or tadio. There had been NO natural light and the temperature had always been kept at 21℃

Stefania stayed in the cave for a long time because___________.

A．she was asked to do research on mice

B．she wanted to experience loneliness

C．she was the subject of astudy

D．she needed to record her life