With our knowledge _________ practice, we can make contributions to our society.
| A．to base on | B．basing on | C．based on | D．base on |
To show our respect, we usually have to take our gloves off ______ we are to shake hands with.
| A．whichever | B．whenever | C．whoever | D．wherever |
We’ve just moved into a bigger house and there’s a lot to do. Let’s _________ it.
| A．keep up with | B．do away with | C．get down to | D．look forward to |
t is not how much we do but how much love we put into ____we do____benefits our work most.
| A． That , who | B．Which, that | C．What , that | D．What, what |
——Yesterday, I didn’t see Ben at the party.
—— You _____ him. We just came back from Beijing this morning.
| A．mustn’t have seen | B．needn’t have seen |
| C．couldn’t see | D．can’t have seen |
— Are you satisfied with what she has done?
— Not at all. It couldn’t be _______.
| A．so bad | B．any worse | C．much better | D．the best |