He decided a letter to his uncle in New York city.
| A．writes | B．write |
| C．writing | D．to write |
The full moon often makes her _________ her hometown.
A. missing B. to miss C. miss
All the students in my class can’t ______ the math problem. It’s too difficult for us.
A. work on B. work out C. work for
My father was watching TV ______ my mother was cooking.
A. while B. until C. when
She will call you if she ____.
A. goes to B. come back C. comes back
—Where is Japan, do you know?
—It’s ____ the east of China.
A. in B.on C. to