My mother says I have to stop collecting snow globesndline. (对划线部分提问)

_______ _______ your mother say?

I am interested in the writer jobndline. (对划线部分提问)

_______ _______ you interested in?

The woman has been listening to music videos for two hours. (改为否定句)

The woman_______ _______ been listening to music videos for two hours.

His father began to work in this factory ten years ago. (改为一般疑问句)

_______ his father_______ to work in this factory ten years ago?

I have been cleaning the floor for three hoursndline. (对划线部分提问)

_______ _______ have you been cleaning the floor?

(改错)My brother was(A) the first(B) one to(C) arrive(D) the classroom.

(改错)Lu Ning has been(A) skating(B) for the all(C) four hours(D).

(改错)Mr White, what(A) the sport(B) do(C) you play(D)?

(改错)The girl began to (A) started(B) skating(C) three hours agondline(D).

(改错)How long(A) have(B) you be(C) teaching(4) in this school?