Either you or one of your students ______ to attend the meeting that is due tomorrow.
A. are B. is C. have D. be
You and I could hardly work together, ?
A. could you B. couldn’t I C. couldn’t we D. could we
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