11. — Mum, it’s none of my business. Why ( ) I care? — Just because she is your sister.

A. 　 cost

B. 　 charge

C. 　 spend

D. 　 take

A. 　 was able to pass

B. 　 must have passed

C. 　 could have passed

D. 　 might be able to pass

A. 　 He divorced his wife.

B. 　Hetoldalietohiswife.

C. 　 He did everything to protect him.

D. 　 He was driven away by his wife.

A. 　The specific description of your product.

B. 　The most potential target market.

C. 　An early and quick startup.

D. 　Your potential to be realized.

A. 　 the; 不填

B. 　 a; 不填

C. 　 a; the

D. 　 不填; the

A. 　 A low-carbon economy.

B. 　 A competitive advantage.

C. 　 Anew international trend.

D. 　 Ahighly internationalized industry.

A. 　 To ask Professor Shapiro for advice on his work.

B. 　 To put on his walking shoes for jogging before class

C. 　 To find a professor to write him a recommendation letter.

D. 　 To spend more time practicing writing in his spare time.

A. 　 He was a soldier before he went to high school.

B. 　 He spent his high school life in his hometown.

C. 　 He spent eight years in a public school.

D. 　 He went to a military school in his hometown.

A. 　They put more pictures of heron Facebook.

B. 　They ask her family to help find her.

C. 　 They file an escape charge on her.

D. 　 They use her post to locate her.