Look ! Wang Ying is standing __ the starting line.[ ]
Hello, this is Jack. Mary I speak to Tom? — Sorry, he isn’t in at the moment. If he back, I’II ask him to call you back.
The daytime of the summer is longer than _____ of the winter.
_____ are you staying in Tibet? — Just for four days. [ ]
Let’s clean the classroom. It’s very ______.