题目内容：

1.How long have you been here?
A.stood B.to stand
C.standing D.stands
2.The student has been the novel since he finished school.
A.wrote B.writing
C.written D.writes
3.— Hi,David!Are you tired?
— Yes,I am tired.I the classrooms for 4 hours.
A.am cleaning B.was cleaning
C.have been cleaning D.had cleaned
4.Where have you been?We you everywhere.
A.have been looking for
B.has looked for
C.had looked for
D.has been looking for
5.— It for nearly a week.Will it last long?
— No,it's reported that we'll have a fine weekend.
A.have rained B.has been raining
C.rains D.rained
二、句型转换.
1.He has been watching the interesting play for two hours.(改为否定句)
He has not been watching the interesting play for two hours.
2.I have been learning English for two years.(改为一般疑问句并作否定回答)
— have you been learning English for two years?
— No,I haven’t .
3.My brother has been collecting stamps for five years.(对划线部分提问)
what has your brother been collecting for five years?
4.The boy has been listening to the music videos since he was eight years old.(对划线部分提问)
when has the boy been listening to the music videos?
5.She has been working in the hospital for six years.(对划线部分提问)
where has she been working for six years?
CBCAB