The word "breakthrough" is often used when talking about the newest drug or the next treatment ___ in cancer research．
| A．finding | B．being found | C．to be found | D．found |
--- Oh, must you? Stay a bit longer. ____.
--- Thanks anyway. I’ve got an early start tomorrow morning.
| A．It’s been such fun having you. |
| B．Maybe you can have supper here. |
| C．We welcome you with open arms. |
| D．Let’s have another chat. |
It’s reported that a bus went out of ____ control on a highway ____ east of the city and crashed into a river.
| A．the; the | B．/; / | C．the; / | D．/; the |
When we sleep iscultural as biological-and practices differ greatly round the globe.
| A．that much | B．so much | C．too much | D．as much |
---I have no ideahis proposal was turned down by the committee.
---Me, either.
| A．why it was that | B．how was it that |
| C．was it that why | D．it was that how |
China’s New Food Act provides for a food recall systemto producers have to stop productiontheir food isn’t up to standards.
| A．that; if | B．where; if | C．which; when | D．when; where |