Amy doesn’t like dancing, so she _______ dances at a party.
| A．always | B．often | C．sometimes | D．never |
Tony never spends money on traveling____ he likes staying at home.
| A．but | B．because | C．though | D．until |
________ is not an easy thing for everyone to master a foreign language.
A. That B. This C. It
The problem must be __________ discovered next time.
A. farther B.far C.further
The doctor was busy _________ on the woman at that time.
A. operating B. operated C. to operate
Chinese _________ by Miss Wang three years ago.
A. taught B. was taught C. is taught