Don't be afraid to ____ help if you have any further problems.
| A．beg | B．hesitate | C．desire | D．seek |
There are a large number of plants existing on earth, however, very little _______ was made of them to feed us.
| A．cost | B．value | C．use | D．matter |
--- I’m terribly sorry, but I made a mistake again.
--- _______. Practice more and you’ll succeed.
| A．Never mind | B．Certainly not | C．You’re welcome | D．Don’t mention it |
Doubting that the traveler carried drugs, the Customs officer stopped him and _______ his suitcase, but found nothing at all.
| A．looked up | B．went through | C．searched for | D．referred to |
It’s such a surprise! Never did she dream of _______ a chance for her to be sent abroad for further study.
| A．there to be | B．there having | C．there being | D．there is |
---Where did you ______ our chemistry teacher?
---It was in the supermarket ______ I purchased moon cakes.
| A．come to, where | B．come across, that | C．come across, where | D．come to, that |