After the school party,they gave the classroom a--------(打扫)

After the school party,they gave the classroom a________(打扫) again2.if she ___(be)free tomorrow,she will come to your birthday party3.if we take noise in the library,the teacher ___(be) mad at us4.if you____(forget) to take your ticket,you can't go into the theater5.my math teacher___(call) my parents if I ___(fail)the exam once again6.I don't know if they (take) part in the activity last Sunday7.我必须换了衣服再去参加聚会I must change before I ___ ___ ___ ___.8.你没有什么好抱歉的you have nothing to ____ ____ for9.外面非常冷,让他进来吧It's very cold outside.___ him ___.10.the young girl sang in clubs___ ___ ___(谋生）three years ago