—He should have come to join in the thorough cleaning.—He _____. I don’t think it was his turn.
You__to the meeting this afternoon if you have something important to do .
I keep medicines on the top of the shelf, out of the children’s .
a language requires time and effort.
_______ you work harder than before, you will pass this module exam.
—Why not take this road? It’s a short cut. — I am afraid we can’t. It _____.