. The thief went into the house at midnight, only ______ by the policemen hiding there.
| A．to catch | B．catching | C．to be caught | D．caught |
Tom ought not to ________ me your secret, but he meant no harm.
| A．have told | B．tell | C．be telling | D．having told |
— You haven’t lost the ticket, have you?
— _________. I know it’s not easy to get another one at the moment.
| A．Yes, I’m afraid not | B．Yes, I haven’t | C．I hope so | D．I hope not |
Eating too much fat can _______ heart disease and cause high blood pressure.
| A．result from | B．contribute to | C．attend to | D．devote to |
--- Tom, why didn’t you come to the meeting yesterday?
--- I _____, but my car broke down.
| A．would | B．had | C．was going to | D．did |
There is no doubt ______ man will conquer nature some day.
| A．whether | B．if | C．which | D．that |