After a short rest, the workers kept on _______ till midnight.

ter how much knowledge you have, if your subject is at all ______, be careful when discussing it during your speech, or you may well offend your audience.

The composition is very good. —Well, at least it is＿＿＿the one I wrote last week.

Either you or one of your students _____ asked to attend tomorrow’s meeting.

Thank you ever so much for your congratulations and good wishes. I hope I can _____to them.[ ]