He worked hard, ______ he passed the exam.
| A．in a result | B．as result | C．as a result | D．for a result |
My father retired in 2008, _____ he has been devoting his time to gardening.
| A．at which | B．since when | C．when | D．after that |
Anyone, once ____ positive for Ebola, the deadly disease, will receive free medical treatment from the government.
| A．testing | B．being tested |
| C．tested | D．to test |
—What about your self-drive trip yesterday?
—Tiring! The road is being widened, and we_________ a rough ride.
| A．had | B．have | C．would have | D．have had |
----Stay a bit longer, please. It's been such____pleasure having you here.
----Thank you, but I've got____early start tomorrow morning.
| A．the;an | B．/;an | C．a;an | D．/;the |
Funding arrangements are already __________, with which the scientists can go on with the further research.
| A．in order | B．in demand |
| C．in place | D．in relief |