The course normally attracts 20 students per year, ________up to half will be from overseas.
You and I could hardly work together, _____ ?
Please do me a favor — ______ my friend Mr. Smith to Youth Theater at 7:30 tonight.
— It’s the office! So you ______ know eating is not allowed here. — Oh, sorry.
Nowadays people sometimes separate their waste to make it easier for it ______. .
She is very dear to us. We have been prepared to do ______ it takes to save her life.