They put their tent and began to sleep in it but they really couldn’t put the heat in th

问题补充：

They put their tent and began to sleep in it, but they really couldn’t put the heat in the rent.

A. up; off B up; up with C; on; out D. over; into

答案：

解析：题意：他们搭起帐篷开始在里面睡觉，但是他们真的不能忍受帐篷里的高温。put up 搭建；put up with 容忍。