Thomas Edison is known _____inventions______ a great inventor.
| A．to, as | B．for , as |
| C．as, to | D．to, for |
I had a little trouble English grammar.
| A．learn | B．learned | C．learning | D．to learn |
—How do you improve your listening skill, Mary?
—I often do it _________ tapes and English radios.
| A．by hearing | B．in listening to | C．by listening to | D．for listening |
I’m new at the party and I don’t have a friend ____.
| A．to talk with | B．talking to | C．to talk | D．speaking to. |
The art club is for members only. You can’t go in ____ you are a member.
| A．unless | B．because | C．if | D．though |
Jane is so shy that she is afraid of in front of a group.
| A．speak | B．speaks | C．spoke | D．speaking |