They put____ their tent and began to sle
题型：选择题
问题：
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
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