—Mr. Smith, would you have some more ice-cream?—No, thanks. It’s very good, but I have to ______ my weight, you know.

Students are often warned that anyone who leaves the classroom at night must remember to _____ all the lights, or he will be fined.

He is really considering ___himself to ___these children of the poor mountain village.

Buses have routes. They ________ and ________ people at different places on the routes.

—Mum, it is nice weather. I want to skate this afternoon. —Don’t you think the ice on the lake is too thin to ________ your weight.