A：（）another piece of chicken，Sally？B：No，thanks.It was delicious，but I ’m really full.

I’m tired.I havent ’t got（）energy（精力）to go to the gym today.

A.enough
B.many
C.littly

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While I（）to the supermarket by bus，（）an old friend.

A.was going，met
B.went，met 
C.was going，was meeting.

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