You’re sweating heavily. You look tired ( ) running.

　　A. of

　　B. at

　　C. by

　　D. With

　　【答案】D。be tired with sth固定搭配：因…感到疲倦。Look和be都是系动词，用法是相通的，所以这里可举一反三，用be tired with sth这个搭配。故正确答案是选项D。

　　We will get ( ) our partners to determine the best.

　　A. in touch with

　　B. head of

　　C. back to

　　D. along with

　　【答案】A。get in touch with固定搭配：与…取得联系。B项：赶在…之前、超过、领先;C项：回到…;D项：和…相处。只有A项与题干含义相符，故正确答案是选项A。