— I hope to take the computer course.
— Good idea. _____ more about it, visit this website.
| A．To find out | B．Finding out |
| C．To be finding out | D．Having found out |
He looked around and caught a man _____ his hand into the pocket of a passenger.
| A．put | B．to be putting | C．to put | D．putting |
--- I’m sorry, but there’s no smoking on this flight.
--- Oh, I ______ that. Sorry, I won’t again.
| A．don’t know | B．didn’t know |
| C．won’t know | D．haven’t known |
--- I dropped in at your house at about ten last night, but you weren’t in.
--- I ______ regular exercises at the club.
| A．did | B．was doing | C．had done | D．have been doing |
With the development of science, more new technology ______ to the field of IT.
| A．has introduced | B．is being introduced |
| C．is introduced | D．was introduced |
--- 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.
| A．was | B．have been | C．am | D．had been |