It is not who is right but what is right ______ is of importance.
| A．which | B．it | C．that | D．this |
36. You and I could hardly work together, _____? 
| A．could you | B．couldn’t I | C．couldn’t we | D．could we |
Do you consider it any good _____ psychology?
| A．to learn | B．to have learned | C．learning | D．having learned |
Lack of money led the company to a situation _____ they had to decide whether they should keep on with their production.
| A．when | B．where | C．that | D．which |
. _____ by the advances in technology, many farmers have set up wind farms on their land.
| A．Being encouraged | B．Encouraging |
| C．Encouraged | D．Having encouraged |
_____ the police thought he was the most likely one, they could not arrest him since they had no exact proof about it.
| A．Although | B．As long as | C．If only | D．As soon as |