Is your mother a worker? No. she __________.
A used to B was used to C used to be D used
Do you like musicmakes you relaxed?
| A．it | B．what | C．who | D．that |
The studentshow to do the experiment in class yesterday.
| A．were taught | B．better | C．was taught | D．teach |
—How many gold medals did Chinaat the 2010 Winter Olympics?
—Five.
| A．win | B．to win | C．winning | D．won |
—You have a beautiful voice. I love your songs.
—.
| A．Sorry，you don’t | B．thank you | C．It’s OK | D．That’s all right |
—are you going to the airport？
| A．What | B．How | C．When | D．Why |