The young mother finds it hard to（）her two－year－old son as he keeps running here and there during the mealtime.

This time in Beijing I visited all the places I had（）to see，like the Great Wall and the Forbidden City.

A.longed
B.succeeded
C.met
D.imagined

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（）dosage of this drug can result in injury to the liver.

A.Extensive
B.Exclusive
C.Excessive
D.Explicit

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