Although the causes of cancer_____, we do not yet have any practical way to prevent it.
A.are being uncovered | B.have been uncovering | C.are uncovering | D.have uncovered |
For the sake of enough time for study and rest, students are _____ from using cellphones in our school.
A.encourged | B.forbidden | C.required | D.kept |
The relatives of the passengers in the missing Flight MH370 cann’t hide their feelings, _____ they can make sure that the plane will make a safe landing on the airport.
A.except when | B.except | C.except that | D.except where |
Mr. Bean constantly get into awkward and absurd situations, which greatly amuses audiences _____ their nationalities and culture.
A.in favor of | B.in terms of | C.according to | D.regardless of |
—Do you think Catherine likes Fred?
—__________. They don’t seem to get on very well together.
A.It depends | B.I hope so |
C.I imagine not | D.Sounds reasonable |
—I had the computers repaired yesterday.
—How much did they _________ for that?
A.cost | B.spend | C.take | D.charge |