-----How long do you think it will be _____man can finally solve the problem of cancer?
------Well．it depends．
| A．when | B．until | C．after | D．before |
Can you tell me _________________ last night?
| A．what was the matter outside | B．what was matter outside |
| C．what the matter was outside | D．what is wrong outside |
He ________ me to come to my birthday party, but until it was over he didn’t appear at all.
| A．asked | B．told | C．agreed | D．promised |
--Do you mind if I keep pets in this building?
--__________
| A．I would rather you did not actually. | B．It is not allowed here |
| C．Yeah！I love pets. | D．No,you can not. |
Henry VII set a standard for ______ people were to speak English.
| A．why | B．whether | C．when | D．how |
He has no idea _________ she left without a word.
| A．if | B．why | C．how | D．that |