Many young people took part in _______ trees on Tree Planting Day.
Bees always remember ________back the same way _______they went.
Please_______the painting on the wall and _______the washing machine later.
What exactly does the sign _______?
Tom______half an hour doing his homework and listening to pop music ______him 20 minutes.
—Could I _______a book from you? —Of course. And you mustn’t_______ it to others.