all, 57 such trains are expected tobe in ____ commercial operation by _____ end of 2009

We students should work hard and ________, we must believe in ourselves.

What were you up to when your parents came in? — I＿＿for a while and＿＿some reading

Henry wants to be ________ actor like Jackie Chan in the future.

The girl with two cats inthe yard when the earthquake happened.