We missed our train, and ___ the next train was delayed, ____ we had to wait for two hours.

He__________ he would be able to leave tomorrow, but it’s beginning to took difficult.

When were you born? —I was born _____ June 2, 1990. [ ]

If you have finished your homework, you could _____ cleaning and cooking.[ ]

Do you know who teaches ______ Chinese? — Yes . Mr Wang does.