While a huge amount of money ___been spent stopping pollution , large quantities of water_ _still heavily polluted．
| A．have; is | B．has ;are | C．have; are | D．has ;has |
The computer is ________ to be one of the greatest inventions of the 20th century.
| A．considered | B．regarded |
| C．expected | D．suggested |
--We________ in advance. Look, this restaurant is almost empty.
--Yes, just in case.
| A．needn’t have booked | B．mustn’t have booked |
| C．didn’t need to book | D．couldn’t have booked |
Try to appreciate the world from another angle ________ you will find how wonderful life is.
| A．or | B．so |
| C．but | D．and |
I like to make ________friends with Mary because she takes________ lead in everything.
| A．/; the | B．/; / |
| C．the; the | D．the; / |
--- What would you like to do? Doing shopping or going to the cinema?
--- ________. Whatever you want to do is fine with me.
| A．It’s up to you | B．All right |
| C．Glad to hear that | D．It just depends |