28. With credit cards ________ available, it is more frequent to see consumers pay for their purchases or bills by card instead of by cash.
| A．occasionally | B．merely |
| C．relevantly | D．abundantly |
Bob’s mother, in my opinion, is partly _____ for his academic failure.
| A．to be blamed | B．to blame | C．blamed | D．blaming |
I want my son __________ all sorts of people with different values and beliefs.
| A．being exposed to | B．exposing to |
| C．to be exposed to | D．expose to |
________ 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 |