Owing to the popular Korean drama , a new mix-and-match food trend ,beer and fried chicken，has _______ among young audience despite its unhealthy nature．
| A．counted on | B．caught on |
| C．catch up on | D．caught up with |
All the essays _____________, the teacher sent the students home.
| A．having written and collected | B．having been written and collected |
| C．being written and collected | D．to be written and collected |
---I was trying to carry out the plan, but I failed.
---Well, you _________, for we were uncertain it would do ________.
| A．needn’t do that, in fact | B．needn’t have done, in effect |
| C．needn’t have, in practice | D．needn’t, in time |
Up till now, full use of this theory has been ________ in building large ocean-going ships.
| A．done | B．made | C．laid | D．taken |
If I hadn’t stood under the ladder to catch you, you _________ now.
| A．wouldn’t be smiling | B．couldn’t have smiled |
| C．won’t smile | D．didn’t smile |
He likes ______ music so much that I think it right to buy him _____ Mp4 as _____ birthday present.
| A．/, a, a | B．/, an, a | C．the, a, the | D．the, an, a |