—The shoes look nice. Can I _____? — Sure.
| A．try it on | B．try them on |
| C．try on it | D．try on them |
I ______ that he’s a hardworking teacher．
| A．never doubt | B．always doubt | C．seldom ask | D．often wonder |
―Do you prefer spring ________ summer?
―________, because it’s warm and flowers start to come out．
| A．to, Yes | B．or, Yes | C．to, Either | D．or, Neither |
—Have you found your lost camera?
—No, I haven’t found _____, but I bought _____ this morning．
| A．one; that | B．it; one | C．that; one | D．one; it |
－You aren’t a stranger, are you?
－, don’t you rememberme at the school gate ten minutes ago?
| A．Yes, to see | B．No, seeing | C．No, saw | D．Yes, seeing |
He _____ play the piano since he was young. He is very famous now.
| A．has could | B．has been able to | C．could | D．was able to |