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 WTO cannot live up to its name _____ it does not include a country that is home to one fifth of mankind .
| A．as long as | B．while | C．if | D．even though |
-------How are you today ?
--------Oh, I ______ as ill as I do now for a very long time .
| A．didn’t feel | B．wasn’t feeling | C．don’t feel | D．haven’t felt |
She ____ on her way to school. I just phoned her home and got no answer.
| A．should be | B．might have been | C．must be | D．could have been |
--- Why haven’t you bought any bread?
---- I ____ to but I forgot about it.
| A．liked | B．meant | C．wished | D．expected |
Every time I see her at her home, she ____ hard in her room.
| A．worked | B．is working | C．will work | D．has worked |