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21．A．if B．though C．because D．since 【查看更多】

 

題目列表(包括答案和解析)

Bob spends lots of money ________ he is not rich．

[　　]

A．if

B．though

C．since

D．because

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__ we are young, we can still do something to help protect the environment.

A．If                B．Since             C．Because          D．Though

 

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This dress still looks beautiful on her _____ it is last year’s style.

A．because          B．though            C．if                D．since

 

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_________ we are young, we can still do something to help protect the environment．

[　　]
A．

If

B．

Since

C．

Because

D．

Though

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—When are you going to fly to Taiwan this summer?

—_________ we finish school. It will be a great holiday.

A．Because          B．Since             C．Even though       D．Only if

 

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