题目内容
John's father ________ borrowed some picture books.
- A.have already
- B.has just
- C.have ever
- D.has yet
解析:
just(刚刚)可用于现在完成时
John is a famous writer now. Bob said he was not a good student ___41_____ he was young. He was often late for____42___ and didn’t like doing his homework. Sometimes, he ______43____ in class while the teacher was teaching. He didn’t understand much, ____44____but he always thought he understood everything. One day the teacher _____45___ the students a question, “When Jack was ten years old, _____46____ brother Ben was twenty. Jack is fifteen now and _____47___ is his brother Ben? John said, “That’s easy. Ben is twice as old as Jack, so he is thirty now.”
Another time, the ____48_____ in a science class asked, “When it thunders(打雷), _______49___ do we always see the light before we hear the sound?”
“But, Miss,” said John quickly, “don’t you ___50_____ our eyes are in front of our ears?”
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