He looked around and caught a man _____ his hand into the pocket of a passenger.
In case it thunders, we’d better _____________ the electricity at once and turn off the TV.
He is such a _____________ teacher that he knows what his students need.
Captain James Cook took _____________ of the islands in 1769 and from that time British people started to settle in New Zealand.
If we go on using energy so wastefully, __________ are that our oil wells will be dried up before new energy sources can be found to replace oil.
— They are quiet, aren’t they? — Yes. They are accustomed ______ at meals.