小题1:Yes, of course.
小题2:Do you want me to go shopping with you?
小题3:Why do you want to buy a washing machine for your mother?
小题4:Have you heard of online shopping?
小题5:I have something important to do these days.
补全对话（5小题，每题2分，共10分）
小题1:Yes, of course.
小题2:Do you want me to go shopping with you?
小题3:Why do you want to buy a washing machine for your mother?
小题4:Have you heard of online shopping?
小题5:I have something important to do these days.