—Why did you plant so many trees?
— ______ the environment.
| A．Improve |
| B．To Improve |
| C．Improved |
| D．Improving |
There is _______ “f” and _______ “u” in the word “four”.
| A．an; a | B．a; a | C．an; an | D．a; an |
--- _______ are you eating?
--- I’m eating _______ meat.
| A．What; some | B．Which; any |
| C．Where; not | D．What: a |
I don’t like _______ thrillers _______ playing baseball.
| A．watching；or | B．watching；and |
| C．to watch；or | D．watch ； and |
This is not _______ book. I think it’s _______ book.
| A．you；me | B．my； her |
| C．his; he | D．your；me |
I _______ his photo in the newspaper yesterday.
| A．don’t see | B．didn’t saw |
| C．see | D．saw |