1.The boy asked his mother _A_ he could buy another pair of shoes.根据此句句义：是否还可以买另外一双鞋A.if
B.what
C.who
D.what2.I'd like to know__B___.宾语从句，whether or not 固定搭配，如果没有or not的话也可以用ifA.whether or not will he come
B.whether or not he will comeC.if or not he will come
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