If human beings had been a bit less greedy and cruel, more birds and animals dying out.
| A．ought to avoid | B．could have been avoided |
| C．should have avoided | D．might have avoided |
--- Could you please tell me the answer to this question?
--- ______ It is not my style to help people cheat.
| A．No problem | B．No way |
| C．No wonder | D．No doubt |
______ in the repair shop, he drove his brother's instead.
| A．Repaired | B．Repairing |
| C．Being repaired | D．His car being repaired |
It was in the business meeting that I made the _____ of Mr. Black.
| A．association | B．acknowledgement | C．acquaintance | D．recognition |
_____ not to miss the flight at 15:20. the manager set out for the airport in a hurry.
| A．Reminding | B．Having reminded | C．To remind | D．Reminded |
House prices vary from place to place and are usually high ____ there are famous schools.
| A．since | B．when | C．whether | D．where |