____all the required papers. he didn't answer the questions fluently in class.
| A．Having not read | B．Not having read | C．Not read | D．Not to read |
________ doing his experiment, he forgot to pick up his wife from the station.
| A．Absorbed in | B．Absorbed to |
| C．Absorbing in | D．Absorbing to |
It is reported that the bridge ______ last year has been damaged in a terrible flood.
| A．having been completed | B．to be completed |
| C．completing | D．completed |
I got to the office earlier that day, ______ the 7:30 train from Paddington.
| A．caught | B．to have caught |
| C．to catch | D．having caught |
I can’t get my car _____ on cold mornings, so I have to try ______ the radiator with some hot water.
| A．run; to fill | B．running; filling |
| C．running; to fill | D．ran; filling |
It remains unknown who will ______ Mr. White when he goes abroad next month.
| A．take place of | B．take the place of |
| C．take place | D．in place |