完形填空If you study in America,you need to know some classroom

完形填空
If you study in America,you need to know some classroom customs.
When the teacher asks a question,you 26 to give an answer.If you do not understand the question,you should put up you hand and ask the teacher 27 the question.If you do not know the answer,it is all right to tell the teacher that you do not know.Then he or she may know 28 you need to learn.
There is 29 for not doing your homework.If you are absent （缺席的）,you should call your teacher or someone 30 is in your class and ask for the homework.You must not be absent on a test day.If you are 31 ill,call and let the teacher 32 you can’t be there for the test.If your teacher allows you to make up the test,you should take the test within one or two days after returning to class.Serious illness is the only reason for not sitting a test.
Be on time!It is thought rude to be late.Once you come late,be sure to be quiet.Have your books and papers out of your bag 33 you enter the room.Then come in and go to your seat quietly.In the U.S.it is not necessary to knock when you enter the classroom.But before entering a teacher’s office or 34 office with a closed door,knock first,then wait to 35 in.
26.A.expected B.are expecting C.are expected D.expect
27.A.repeat B.to repeat C.repeating D.repeated
28.A.what B.how C.how many D.why
29.A.no use B.no time C.no chance D.no excuse
30.A.those B.who C.which D.whose
31.A.hardly B.strongly C.badly D.mostly
32.A.knows B.to know C.know D.knew
33.A.after B.while C.before D.as soon as
34.A.any B.all C.anyone D.either
35.A.invite B.be inviting C.inviting D.be invited
急要