—Hello, may I speak to Dr.Bush?— .
He looked around and caught a man _____ his hand into the pocket of a passenger.
--- I’m sorry, but there’s no smoking on this flight. --- Oh, I ______ that. Sorry, I won’t again.
--- I dropped in at your house at about ten last night, but you weren’t in.--- I ______ regular exercises at the club.
With the development of science, more new technology ______ to the field of IT.
--- Got your driving license?--- No. I ______ too busy to have enough practice, so I didn’t take the driving test last week. I’m going to next week.