Not until _____ ten _____ to school.
| A．was he; he went | B．was he; did he go |
| C．he was; he went | D．he was; did he go |
It is broadcast that the opera Catsat the Theatre Royal on 19th March.
| A．opens | B．is opened | C．open | D．will be opened |
It was two days before my mother flew to New York ______I arrived home.
| A．when | B．that | C．after | D．since |
—Mom, can I go out and play with my friends now?
—No, honey, you can’t _____ you haven’t recovered from the knee injury.
| A．until | B．before | C．as | D．unless |
Sarah hopes to become a friend of shares her interests.
| A．whoever | B．whomever | C．anyone | D．whom |
—“Could I see Doctor Huang tomorrow?” the patient asked.
—“” the nurse said politely, “He is only available today since this evening he will fly to Boston for a three-day meeting.”
| A．Not likely. | B．Not exactly. | C．Not nearly. | D．Not really. |