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單項選擇題

Hepatitis B and C are even more easily ___ in blood and needles that HIV.

A．to passB．passedC．pass

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單項選擇題

Don’t be discourged you hve fllen behind others.whether B．s if C．evenDon’t be discourged you hve fllen behind others.whether B．s if C．even if D．however

A.whether
B.as if
C.even if
D.however

單項選擇題

You cn’t complin of being lonely _ you don’t mkeny effort to meet people.untilB．when C．You cn’t complin of being lonely _ you don’t mkeny effort to meet people.until B．when C．once D．though

A.until
B.when
C.once
D.though

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