I became a student ten years . I have been a student 1996. I have studied here_____ about 10 years.A. ago, since, for B. ago ,for ,since, C. ago, before, for D ago, in, after
—What’s the matter_______ Betty? —She lost her wallet.
He is not good at learning English and he always does his homework_______.
The teacher was very pleased_______ Tony’s answer.
I think playing basketball is_______ dangerous than swimming.
You need_______ your homework this afternoon.