We can never expect ________ bluer sky unless we create ________ less polluted world.
| A．a；a | B．a；the | C．the；a | D．the；the |
相关试题
Despite its center nowhere near the islands， Morakot(the typhoon) is being blamed for 25 deaths in the Philippines.
| A．was | B．being | C．is | D．has been |
When and where to go for the on-salary holiday yet.
| A．hasn’t been decided | B．is not being decided |
| C．are not decided | D．haven’t been decided |
Though to go to bed many times， the little boy just turned a deaf ear and fixed
after a whole day’s work that he could hardly stand it.
| A．So was tired and hungry he | B．Was so tired and hungry he |
| C．So tired and hungry was he | D．So tired and hungry he was |
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