You will succeed in the end ______ you give up halfway.

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After 15 years in the USA, he has finally decided to ___________ American citizenship.

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A．concentrate on

B．apply for

C．look out for

D．appeal for

--If you need help, please don't hesitate to ask.

--OK. If I do, I'll ________ you to help me.

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My family were watching TV, and I couldn't ________ to my study.

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A．apply my mind

B．fix my attention

C．concentrate my mind

D．put my heart

______ everybody knows about it, I don't want to talk any more.

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More people choose to do the shopping in a department store as it offers a great ______ of goods.

[　　]

When you're working in the field, your face may be _________ by the sun.

[　　]

The bus driver ___________ the child from being killed by the car.

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The three sisters decided to hold a family party to ____________ their parents' silver wedding.

[　　]

In __________ Chinese culture, marriage decisions were often made by parents for their children.

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