Xiamen Xiang'an Tunnel, _____ is the first undersea tunnel built in mainland China, opened to traffic on April 26th．
| A．that | B．what | C．where | D．which |
The owner of the cinema needed to make a lot of improvements and employ more people to keep it running, ______ meant spending tens of thousands of pounds.
| A．who | B．that | C．as | D．which |
—It took me ten years to build up my business, and it almost killed me.
—Well, you know what they say. ______.
| A．There is no smoke without fire | B．Practice makes perfect |
| C．All roads lead to Rome | D．No pains, no gains |
Although medical science ______ control over several dangerous diseases, what worries us is that some of them are returning.
| A．achieved | B．has achieved | C．will achieve | D．had achieved |
The committee is discussing the problem right now. It will ______ have been solved by the end of next week.
| A．eagerly | B．hopefully | C．immediately | D．gradually |
—Are you going to have a holiday this year?
—I'd love to. I can't wait to leave this place ______.
| A．off | B．out | C．behind | D．over |