Jack has been skating four hours ago .
A since B. about C.for about D. in
I’m in any books.
| A．interested; interesting | B．interesting; interested |
| C．interests; interest | D．interested; interests |
I decided to write rather than________.
| A．telephoning | B．telephoned | C．telephone | D．telephones |
—It’s necessary ____ our environment(环境). —I agree with you.
| A．protect（保护） | B．protecting | C．to protect | D．protects |
I have _______ sugar, so I have to buy some.
| A．run out of | B．use | C．ran out of | D．used |
_______, what’s your hobby?
| A．In the way | B．On the way | C．To your way | D．By the way |