It is uncertain ________ side effect the medicine will bring about, although about two thousand patients have taken it.
A.that | B.what | C.how | D.whether |
The reason __________ he explained is not __________ I expected.
A.why; that | B.why; what | C.that ;what | D.that; that |
--- Do you enjoy your present job?
--- _________.I just do it for a living.
A.Of course. | B.Not really | C.Not likely | D.Not a little |
Everyone in our class was working hard and doing what we could _______ a good university.
A.enter | B.to enter | C.entering | D.entered |
It rained heavily in the south, ___________ serious flooding in several provinces.
A.caused | B.having caused | C.to cause | D.causing |
Large quantities of information _________ since the organization was built.
A.has offered | B.had been offered | C.have been offered | D.is offered |