题目

根据句意用括号中单词的适当形式填空，使句子的意思完整、正确。 1．Neither his parents nor he        they can have the chance to visit London some day．(think) 2．I have already spent much time        that thing to them．(explain) 3．He learned this lesson in the hard way — from his own        experiences．(person) 4．The student’s        made him lose lots of marks in the exam．(care) 5．Li Ming and his parents go to see his grandparents at a        date every month．(fix)若把分式中的x和y都扩大3倍，那么分式的值（ ）A．扩大3倍 B．不变 C．缩小3倍 D．缩小6倍