—______ does he exercise? —Once a week.[ ]A. How long B. How often C. How fa

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—______ does he exercise?
—Once a week.[ ]
A. How long
B. How often
C. How far
D. How old

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举一反三

—_      will Mr. Smith         Shanghai?
—In a week. He will have a meeting in Shanghai.[     ]
A. How soon; leave
B. Howe soon; leave for
C. How long; leave
D. How long; leave for

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—How _____ glasses of water do you drink every day?
—Three.[     ]
A.
B. many
C. much
D. little

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—_____ is it from here to the Town Cinema?
—About five kilometers.[     ]
A. How long
B. How far
C. How much
D. How often

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—____ yogurt do we need to make fruit salad?
—A cup.[ ]
A. How much
B. How many
C. How long
D. How often

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—_____ are you?
—I"m twenty.[ ]
A. How
B. How old
C. What
D. Who

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