Mary learned Chinese for about two years, _______is, from 1993 to 1995.
— The food here is nice enough. — My friend ______ me a right place.
______ the police thought he was the most likely one, since they had no exact proof about it, they could not arrest him.
Either you or one of your students ______ to attend the meeting that is due tomorrow.
You and I could hardly work together, _____ ?
Please do me a favor — ______ my friend Mr. Smith to Youth Theater at 7:30 tonight.