As we all know, it is usually cold in this place in January, but it _____ be warm sometimes.

---There _____ anybody in the room. --- Why do you say so? --- Because the door is locked.

It _________ rain this afternoon, but I am not sure.

As I was sitting down for dinner,the telephone ________ring.

---- ________ we go swimming in Xishuanghu Lake today?  ---- Oh, no. It’s ________ cold to swim on such days. I will catch a cold.