Yesterday evening, I _____ along the street when I suddenly met my maths teacher.

How many students in your school have lunch at home? — Only ________ of us have lunch at home.

Tom, could you help with my English?— Sure. When shall we start?

It __________ hard outside, let’s not go shopping.

We hope that with the help of the new skill, Liu Xiang can run _____ than before.