The big snow caused great _______to the people living in the south of China, ________some of them homeless.

A. destroy; left  B. damage; leaving

C. ruin; having left  D. wound; leaving

Mr. Smith, ______ in the factory for thirty years, is on the way back to his village.

A. to work  B. working

C. to have worked  D. having worked

—How was that?

—I was chatting on line _____ the power went out.

A. because  B. while   C. as    D. when

Our teacher always speaks slowly and clearly in class _____.

A. so as to be understood  B. to have understood

C. so as to understand  D. to understand

—Are you satisfied with the answer?

—Not at all. It couldn't have been ______.

A. worse  B. so bad

C. better  D. the worst

By the time Mr Wang returned home from Beijing, his son's wedding _______.

A. ended　　　　　　　　B. has ended

C. had been ending  D. had ended

So _______ that everybody wants to take a photo with him.

A. a well­known man he is

B. well­known he is a man

C. a well­known man is he

D. well­known a man is he

Not once has she given in to any difficulty in her life and that's _____ she is a strong­willed woman.

A. why  B. when

C. because  D. where

—How can I wake up so early?

—Set the alarm for 5 o'clock, ______ you'll make it.

A. but  B. or

C. and  D. so

      at failing in the maths exam, John wouldn't like to talk about it to his parents.

A. Disappointing    B. Having disappointed   C. Disappointed   D. To be disappointed