I want to know more about Hong Kong．Can you tell me ________？（ ）
| A． |
when did it return to China |
| B． |
when it returned to China |
| C． |
When does it return to China |
| D． |
when it returns to China |
The toys are really old，_____I still want to keep them．（ ）
A．orB．andC．but
We should brush our_____every day．（ ）
A．toothB．teethC．hand
Yuan Longping is very creative． We all look up to_____．（ ）
A．itB．himC．her
We can't see_____sun at night．（ ）
A．aB．anC．the
A lot of trees ____________ every spring in Yiyang city． （ ）
A．plantB．is planted
C．are planted