Have you ever met Mr.Green _____?[ ]A. agoB. beforeC. everD. since

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Have you ever met Mr.Green _____?[ ]
A. ago
B. before
C. ever
D. since

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举一反三

—How many babies can a mother giant panda have _____?
— One or two.[     ]
A. one time
B. at a time
C. at times
D. some time

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It was cool and cloudy _____.    [     ]
A. all the day
B. all days
C. all day
D. the all days

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-We have a special part?
-At this festival                 every year．    [     ]
A．／
B．in
C．on
D．at

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I will come to see you again ________this Saturday.
A．in
B．on
C．at
D．／

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Daniel goes to the zoo ______ a month.
A. sometimes
B. some times
C. some time
D. sometime

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