问题

He had to pause from time to time to wipe the sweat from his forehead, because the airconditioningsystem ________. [ ]

A: broke in
B: broke up
C: broke out
D: broke down

正确答案是：

同类题型

The film Harry Potter Ⅳ is ______ for children above 12 and adults, for it contains horror and violence.

past few months, the central bank governor andothers ______ measures to prevent prices from rising too fast．

The movie star didn’t _________ until the crazy fans had waited for almost two hours.

It was in the garden of her old house ______ she grew up ______ she dug up a pot of silver and gold.[ ]

Tom rushed into the house______his mother was cooking.