IanoldletterwhileIwassearching

I ______ an old letter while I was searching my drawer.

A．came up

B．came across

C．came on

D．came about

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Are you satisfied with the way_______ he explained the problem?

A．which

B．by which

C．in that

D．/

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The reason_______ so many people rushed to California was ______ another gold mine was found in California.

A．that; because

B．why; that

C．that; why

D．why; because

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They have_______ carefully the time and money needed to complete the project.

A．picked out

B．left out

C．taken out

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A．managed

B．attempted

C．succeeded

D．thought.

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Out_______ , with a stick in his hand.

A．did he rush

B．rushed he

C．he rushed

D．he did rush

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