1. The persons that have the greatest influence ___ children are their teachers.

　　A. in B. to C. for D. on

　　2. I want to buy a new tie to ____ this brown suit.

　　A. go into B. go after C. go with D. go through

　　3. Bob couldn’t concentrate ____ what he was doing while his family were watching TV.

　　A. to B. on C. for D. in

　　4. Can you give me another hint without ___ the answer?

　　A. giving off B. giving away C. giving up D. giving in

　　5. What I said does not apply ___ everyone in the class.

　　A. on B. for C. to D. against

　　答案及解析：

　　1. [D]

　　解析：have influence on 是固定搭配，意为“对…有影响”。

　　2. [C]

　　解析：go into 进入，参加;调查，研究;go after追求，追赶;go with 和…相配;go through 仔细检查，查找;经历，遭受。

　　3. [B]

　　解析：concentrate on/upon 是固定搭配，意为“专心于，集中于”。

　　4. [B]

　　解析：give off 发出(光、声音等)，散发出(气味);give away 赠送;泄露 ;give up 停止，放弃;give in 投降，屈服;交上，呈上。

　　5. [C]

　　解析：apply to 适用于，应用于;apply for申请，请求。