My little cousin is a(n) __________ boy and he always asks me all kinds of strange questions.

当别人向你介绍一位新同学时，你应该对新同学说：_________

_______are they doing一Theyare running．

下列句中加点成语使用不正确的一项是

His efforts to raise money for his program were _____ because no one showed any intention totake a cent out of their pockets.[ ]