The oil must be used up, the light went out.
A.for | B.because | C.since | D.as |
Please do me a favor — ______ my friend Mr. Smith to Youth Theater at 7:30 tonight.
A.to invite | B.inviting | C.invite | D.invited |
— It’s the office! So you ______know eating is not allowed here.
— Oh, sorry.
A.must | B.will | C.may | D.need |
Nowadays people sometimes separate their waste to make it easier for it ______. .
A.reusing | B.reused | C.reuses | D.to be reused |
She is very dear to us. We have been prepared to do ______ it takes to save her life.
A.whichever | B.however | C.whatever | D.whoever |
Would you please keep silent? The weather report and _________I want to listen.
A.is broadcast | B.is being broadcast |
C.has been broadcast | D.had been broadcast |