It took the early settlers more than 150 years to build up _______ is now a modern city．

A．where                     B．which              C．what                  D．that

一I try to memorize new words every day, but can only remember few of them．

一That’s not surprising．Newly-learnt words are easily forgotten unless frequently _______ in communication．

A．used                       B．using                C．to use                 D．be used

During your stay in Britain，you’ll face culture shock      language problems．

A．as far as       B．as long as            C．as good as               D．as well as

一Jim managed to get into his house without the key．         ?

一I don’t know．He might have asked someone for help．

A．What for       B．Guess how           C．So what             D．Who knows

ack felt grateful to his teachers _______ he couldn’t find words to express it．

A．as if      B．even though         C．so that           D．now that

一How can we reduce C0₂ in our home?

一It’s easy．_______ off your TV or computers when you’re not using them，and you’ll greatly reduce it．

A．Turn           B．To turn        C．Turning       D．Turned

一Do you have the Harry  Potter books by JK Rowling in your shop?

一Sorry，there is _______ left at the moment．

A．nothing        B．no one         C．none           D．not one

Until tens of years ago，most zoos _____ in such a way—animals in one area and birds in another．

A．were organized           B．had organized     C．will organize      D．have been organized

一Will Daniel come to our gathering?  

一 _______ not，for he is much too busy with his research work．

A．Hopefully      B．Likely          C．Hardly         D．Probably

You _________ have written so long an article．The teacher said 100 words would be enough．

A．mustn’t                      B．needn’t          C．couldn’t                   D．wouldn’t