--- Mum, have you seen my mobile phone? ---_______you bought last week? I’m sorry I haven’t seen _______.
—_________do you go to school by bike? —Only four times a week.
The article is difficult .It’s not easy for a child it.
This film is ___________interesting than that one.
Mr Li often makes us __________in his class, so we all like him.
The boy didn't go to school ____________his illness(疾病)。