Let’s have a talk over this matter this afternoon, or __________ it is convenient to you.
A.wherever | B.whichever | C.however | D.whenever |
I’llnevertrustsuchaman______youdescribed.
A.that | B.what | C.whoever | D.as |
A NASA experimental jet , the X-43A,flew at a world –record speed ---11,260 kilometres an hour on November 17.This speed is __ as that of sound.
A.astentimesfast | B.tentimessofast | C.tentimesasfast | D.tentimesfaster |
On ____ the accident, he felt frightened.
A.saw | B.sees | C.seen | D.seeing |
I won’t see the film tonight. I am busy. ____ , it is raining cats and dogs.
A.somehow | B.however | C.besides | D.as well as |
Computers ____ in offices and homes since 1970s.
A.have been used | B.had been used | C.was used | D.has been used |