题目内容：
11.She has got used to ________ milk through a straw though she is only two months old. A. bring B. take C. buying D. sucking
12.The company has ________ its operations in China by building a new factory there.
A. conducted B. expanded C. enabled D. enhanced
13.I haven’t really kept ____________ people I knew at school.
A. sift through B. responsible for C. look up D. in touch with
14.One evening, when there were no staff to ________ him, he walked out of the hospital.
A. superior B. super C. supervise D. supermarket
15.The government has __________ a new plan to build more houses.
A. design B. work out C. encouraged D. launched
参考答案：