All the class keep quiet _________ the class begins.
| A．until | B．since |
| C．as soon as | D．though |
——Could you tell me what happened?
——I’m not going to tell you about it. It’s _________.
| A．certain | B．wonderful |
| C．perfect | D．private |
——The _________ of study is to be completed within a year.
——I hope it will help improve ourselves.
| A．secret | B．course | C．direction | D．treat |
——Jack _______ takes part in social activities.
——Yes, he isn’t like his brother, who is always active.
| A．seldom | B．just | C．still | D．usually |
——Dinner will be ready soon. Could you please _______ the table?
——No problem.
| A．send | B．lay | C．do | D．tie |
——Mom, my little sister is crying all the time.
——Mary, be ________! She feels unwell. You should take good care of her.
| A．patient | B．lazy | C．polite | D．fair |