[单选题] They are teachers and don’t realize ________ to start and run a company.

1、[单选题]The residents,________ had been damaged by the flood,were given help by the Red Cross.

• A、all their homes
• B、all whose homes
• C、all of whose homes
• D、all of their homes

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2、[单选题]We were struck by the extent ________ which teachers’decisions served the interests of the school rather than those of the students.

• A、to
• B、for
• C、in
• D、with

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3、[单选题]They usually have less money at the end of the month than ________ money at the beginning.

• A、which is
• B、which was
• C、they have
• D、it is

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4、[单选题]Mother was out.I ______ look after my little brother.

• A、have to
• B、mustn’t
• C、need
• D、had to

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5、[单选题]The population of China is larger than ______ of Japan.

• A、one
• B、those
• C、that
• D、these

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