All the students at school are required to ____ lectures by the experts on howto save themselves when accidents occur, such as fires, a gas leak and so on.
| A.join in | B.take part in | C.attend | D.participate in |
At this time tomorrow ______ over the Atlantic.
| A.we’re going to fly | B.we’ll fly |
| C.we’ll be flying | D.we’re to fly |
—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 |