He is delighted to have ___ the examination.
A.got through | B.looked through | C.seen through | D.passed through |
Hardly ___________the door when he rushed into the office out of breath.
A.I opened | B.did I open | C.I had opened | D.had I opened |
We want such materials ________ can bear high temperature and pressure.
A.that | B.as | C.what | D.which |
Space exploration has been made ______ with the development of modern science and technology.
A.it possible | B.it was possible | C.that possible | D.possible |
A mysterious illness, referred to as “ a typical phenomena”, has been brought under control, the government said on Wednesday, ______ no cause of it has been made public.
A.though | B.when | C.that | D.because |
Before leaving home, make sure to turn off the electricity, lock the door, ______ the windows open.
A.and not to leave | B.instead of leaving |
C.rather than leave | D.and not leave |