Can you tell me why you learn English so well —It is very simple. _______ you work, ______ grades you will get.

Is she __________China——Yes, She is ________.

Shall we meet at the station at 8 a.m. — In fact we ___. The train ____ until 10 a.m.

product ____ unsatisfactory within 7 days inany way, you can take it back

The girl_______ thin, so she is not heavy.