Frank looks very worried today. There must be ________ wrong with him.
How much does it _______ to fly from Beijing to Haikou one-way?—About 1000 yuan.
How about Beijing?—Beijing is cold this time ________.You need_______ warm clothes if you go there.[ ]
Computersin everyday life in this country before long .
Please turn off the radio, grandma ___now.—OK, I’ll do it right now.