New medicines and instruments every day to extend life.
A. develop B. are being developed
C. are developing D. have developed
智慧小复习系列答案科目：初中英语 来源：人教八年级上英语Unit 8单元提高练习卷 题型：单选题
We can't work out the physics problem. Can you tell us ?
A. how to do it B. what to do it C. how to do D. what should to do
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科目：初中英语 来源：江苏省2017-2018年九年级上英语语法时态专项练习 2018年 题型：单选题
—Tom came back home yesterday.
—Really? Where at all?
A. had he been B. has he been
C. had he gone D. has he gone
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科目：初中英语 来源：江苏省2017-2018年九年级上英语语法时态专项练习 2018年 题型：单选题
—Don’t put the waste on the ground.
—Oh, I’m very sorry. I the dustbin there.
A. don’t see B. isn’t seeing
C. didn’t see D. haven’t see
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科目：初中英语 来源：江苏省2017-2018年九年级上英语语法时态专项练习 2018年 题型：单选题
“When he is not known yet.” “But when he , he will be warmly welcomed.”
A. comes, comes B. will come, will come
C. comes, will come D. will come, comes
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科目：初中英语 来源：江苏省2017-2018年九年级上英语语法时态专项练习 2018年 题型：单选题
－Sorry to have interrupted you. Please go on.
－Where was I?
－You you didn’t like your father’s job.
A. had said B. said
C. were saying D. had been saying
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科目：初中英语 来源：江苏省2017-2018年九年级上英语语法时态专项练习 2018年 题型：单选题
—You’re drinking too much.
—Only at home. No one me but you.
A. is seeing B. had seen C. sees D. saw
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科目：初中英语 来源：江苏省2017-2018年九年级上英语语法时态专项练习 2018年 题型：单选题
I first met Lisa three years ago. She at a radio shop at that time.
A. has worked B. was working
C. had been working D. had worked
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科目：初中英语 来源：江苏省2017-2018年九年级上英语语法时态专项练习 2018年 题型：单选题
－Sorry to have interrupted you. Please go on.
－Where was I?
－You you didn’t like your father’s job.
A. had said B. said
C. were saying D. had been saying
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