It is the third time that he ________ the first prize in the match.
| A．wins | B．has won | C．won | D．to win |
_________you have a rich knowledge of Chinese history, try acting as a guide for these foreign visitors.
| A．Unless | B．Though | C．Now that | D．Ever since |
The school ______ my sister studies at is far from here.
| A．where | B．that | C．at which | D．in which |
You will succeed in the end _____________ you give up halfway.
| A．if | B．unless | C．now that | D．Until |
I couldn’t do my homework with all that noise ___________ outside.
| A．going on | B．goes on | C．went on | D．to go on |
—Start out right away, ______________ you’ll miss the last train.
—Don’t worry, but have you seen my ticket?
| A．or | B．so | C．but | D．and |