—You see, China is becoming stronger and stronger now.—Yes. That’s why Chinese _____ in more and more schools out of our country.

I won’t leave my office until my work _______.

--- Can I go out and play football with my friends, mum?--- Sorry, my dear. I am afraid you have to stay at home if your bedroom ________. 

The world has a big headache and it _______ by money. It began in America last year.

Doctor Wang often asks us           too much meat.