They will try their best in the Dragon Boat Racing _______ they may fail.

The camel comes ______ Africa and it lives ______ the desert. [ ]

It’s raining hard. It’s a _____ day.

How about Beijing?—Beijing is cold this time ________.You need_______ warm clothes if you go there.[ ]

Would you mind _________ your voice down? We are doing our homework.–Sorry for that.