How can I learn English well ?— I think is a good way to join an English club .

Ihave been to Beijjng twice. What about Jim?—_____.[ ]

These are ____ erasers,and _____ are white.

There is __________backpack on the desk. It belongs to Tom.

Mr. Wang, must I come again to clean the window on Sunday morning?—No, you _____ . I have asked others to do it.