They improved the software to __________ for people to use computers.
| A．make it easier | B．make easier |
| C．make it, s easier | D．A or B |
Knowing ________ you’re good at and doing even more of it creates excellence.
| A．where | B．which | C．what | D．that |
It is a wise father ________ knows his child.
| A．that | B．which | C．what | D．whom |
—May I smoke here?
—Choose a seat in the smoking section, if you ________.
| A．should | B．must | C．can | D．may |
---Would you like to go out for a walk?
----．
| A．No,but I can’t afford the time |
| B．No,I don’t feel in the mood for it now |
| C．You may ask your sister to go,too |
| D．No,thank you |
As a result of the serious flood,two-thirds of the buildings in the areas．
| A．need repairing | B．need to repair |
| C．needs repairing | D．needs to repair |