The child should be punished. You shouldn’t let him _____ telling lies.

Doubting that the traveler carried drugs, the Customs officer stopped him and _______ his suitcase, but found nothing at all.

 There is said to be no medicine for a cure _____ lung cancer.

 Being afraid of making mistakes,the little boy ____answer his teacher’s question.

----Let’s ________some dumplings right now.---- OK. I will cut up the meat first.