13. Malaysia Airlines Flight MH370 seemed to have been    to only a mystery after so long and hopeless a search.

A. reduced      B. formed

C. trapped        D. absorbed

12. You type almost anything ， however unclear ,into the space provided on Google and in a    second it thousands of references.

A. catches up with      B. comes up with

C. ends up with         D.  puts up with

5.   His grandparents were born in the Qing Dynasty, while he was born in ______  1920s.

13.    good service, the restaurant also offers different kinds of traditional Anhui dishes.

A. Beside       B. Apart from

C. In addition      D. Except

4.   The villagers didn't realize how serious the pollution was______ the fish in the river died out.

3.   Many off-farm workers ____________ live in the country; but now they have used to living in the city.

11. Some famous  brand designers attended the ceremony     stories  and experiences behind their brands.

A. making        B. hearing

C. describing     D. sharing

2.   My doctor says I，m too tired and has advised me not to take any more work____________.

10. Meeting again by chance, Lucy and Amy are delighted to    the friendship where it left out years ago.

A. break up    B. pick up

C. bring up     D. build up

9. The hunter shot at the birds    the big tree, only to shoot   .

A. on; nothing      B.  on; neither

C. in; none        D.  in; no one