All my friends came to my birthday party. That _______me very happy.
--- How long have you ________ Hong Kong? --- For two weeks.
Jack ____ to help our Chinese teacher carry books yesterday morning.
---Do you mind if I open the door ? --- ____________.
This kind of CD-ROM is very popular. Why not buy one before it________ ?
The old man is _____ in a lonely house, but he doesn’t feel_____.