John is a famous writer now. Bob said he was not a good student ___1_____ he was young. He was often late for____2___ and didn’t like doing his homework. Sometimes, he ______3____ in class while the teacher was teaching. He didn’t understand much, ____4____but he always thought he understood everything. One day the teacher ___5___ the students a question, “When Jack was ten years old, _____6____ brother Ben was twenty. Jack is fifteen now and _____7___ is his brother Ben? John said, “That’s easy. Ben is twice as old as Jack, so he is thirty now.”
Another time, the ____8_____ in a science class asked, “When it thunders(打雷), __9___ do we always see the light before we hear the sound?”
“But, Miss,” said John quickly, “don’t you ___10_____ our eyes are in front of our ears?”

A．when B．tall C．rich D．fat

A．sleep B．lunch C．class D．play

A．sleep B．sleeps C．slept D．sleeping

A．and B．or C．but D．still

A．sent B．asked C．told D．found

A．your B．my C．his D．her

A．how many B．how old C．what D．who

A．teacher B．farmer C．nurse D．policeman

A．what B．when C．where D．why

A．read B．hope C．study D．know