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科目： 來(lái)源： 題型：單選題

---How long have you known the doctor ?  
---_________he helped me three years ago.

A．When　 B．Before　 C．Because D．Since

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科目： 來(lái)源： 題型：單選題

--- Your grandparents were very great.                               
--- Yes. They supported my father’s schooling _________ they were very poor.

A．a(chǎn)s if B．even though C．so that D．what if

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科目： 來(lái)源： 題型：單選題

— What’s your new math teacher like?
— Oh, he is very kind, ________ he looks serious.

A．thoughB．becauseC．if D．a(chǎn)nd

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科目： 來(lái)源： 題型：單選題

---You bought the car ten years ago?
---Yes. ____ it’s old, it still runs well.

A．Because B．Since C．Although D．But

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科目： 來(lái)源： 題型：單選題

Jason was ill yesterday, ________ he didn’t go to school.

A．orB．butC．forD．so

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科目： 來(lái)源： 題型：單選題

Which do you prefer to use, QQ______E-mail?

A．a(chǎn)nd B．but C．or D．so

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科目： 來(lái)源： 題型：單選題

She is very happy ______ she has got many good friends.

A．orB．becauseC．unlessD．so

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科目： 來(lái)源： 題型：單選題

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科目： 來(lái)源： 題型：單選題

— Why didn’t you try your best to get on the subway?
— I tried to, but it started moving ______ I could get on it.

A．before B．a(chǎn)fter C．since D．if 

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科目： 來(lái)源： 題型：單選題

— Why didn’t you try your best to get on the subway?
— I tried to, but it started moving ______ I could get on it.

A．before B．a(chǎn)fter C．since D．if 

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