-- What’s your plan for this winter vacation?
-- I’ll take an express train to Dalian for my holiday ______ school ends．
| A．while | B．until | C．immediately | D．unless |
—That must have been a lot of work.
—Yeah, it us three days to finish it.
| A．takes | B．had taken | C．took | D．was taking |
______ many times, he finally understood it.
| A．Told | B．Telling | C．Having told | D．Having been told |
Going on a trip into ______ space must be quite ______ exciting experience.
| A．/ ; the | B．/ ; an | C．the; an | D．the; a |
_______ made the school proud was______ more than 90% of the students had
been admitted to key universities.
| A．What; because | B．What; that | C．That; what | D．That; because |
______ is a fact that English is being accepted as an international language.
| A．It | B．This | C．That | D．There |