How could she act ____(different). 谁若知道就告诉我,谢谢

How could she act 【 】 it is not like her 还是 括号里填 different还是 英语 How could she act differently?是什么意思 She asked the man ___(polite)not to smoke there.谁若知道就告诉我,谢谢 That like ____(excite) vacations.谁若知道就告诉我 The room needs ____(be) big enough for 3 people.谁若知道就告诉我 A violine is a kind of ____(music) instrument.谁若知道就告诉我, She r___ her voice to make herself heard clearly.谁若知道就告诉我, 我需要时间来解决这个问题.I ___ ____ ____ deal with this problem.谁若知道就告诉我 How could she I hope to see Niagara F___ some day. 谁若知道就告诉我,谢谢 He is always the last ___(leave) the classroom. 谁若知道就告诉我,谢谢 different food could help us ____ different ways.