【正文】 Tang Dynasties?— Yes. A trade in books resulted and more people learnt to read.A．who invented printing B．why were paper introducedC．where paper were made D．how printing influenced people20．—Do you know ________?—Yes, of course. It will be hosted by Beijing and Zhangjiakou.A．how will be the 2022 Winter OlympicsB．which city will host the 2022 Winter OlympicsC．when will be the next Winter OlympicsD．where will be the next Winter Olympics21．—Excuse me, do you know ________?—Well, go along this street and turn right. It’s on the left.A．how can I get to the bank B．where I can find a restaurantC．when I can find a restaurant D．what can I do next22．I wonder ________ when he began to learn the piano.A．how old was Lang Lang B．how old Lang Lang wasC．Lang Lang was three years old D．Lang Lang three years old was23．—Excuse me. Could you please tell me ________ change some money, please?—Of course. Walk along the street to the end and you can find a bank.A．where I can B．where can I C．where I was able to D．where was I able to24．—Do you know________ ?—Tomorrow afternoon.A．when will the headmaster give us a talkB．where will the headmaster give us a talkC．when the headmaster will give us a talkD．where the headmaster will give us a talk25．—Could you please tell me ________ tomorrow?—At 8 o’clock.A．how will she start B．how she will startC．what time she will start D．what time will she start26．—Do you know _________ at this time last night?—Sorry, I don’t know.A．what she is doing B．what she was doingC．what is she doing D．what was she doing27．— Could you tell me ______ ?— By searching the Internet.A．how did Carl get the news B．why Carl got the news C．how Carl got the news D．why did Carl the news28．—Bill, what did the teacher say to you?—She asked me ________.A．how would I solve the problem B．whether I was ready for the taskC．why I look excited D．what time did I get home29．―Do you know ________, Alfred?—At 2:00 tomorrow afternoon.A．when the endofterm concert began B．when did the endofterm concert beginC．when the endofterm concert will begin D．when will the endofterm concert begin30．—When will Mr Liu e back to Zhenjiang? —Sorry, I don’t know ________.A．how long he will stay in Xinjiang B．how he went to XinjiangC．how soon will he be back from Xinjiang D．why he is going to Xinjiang31．—Excuse me, can you tell me ________?—Sorry, I don’t know. You can go to the information desk.A．that there is a train B．when the train leavesC．where does the train go D．which train can I take32．—Hi, Mary! I want to go to Qinghai Museum, but I am not sure ________ get there.—Don’t worry. Let me tell you.A．how could I B．how I can C．how can I D．how I did33．Tom was not listening carefully, so he failed to hear ________.A．what the teacher said B．how the teacher saidC．what did the teacher say D．how did the teacher say34．—Could you tell me ________ for the ing holidays?—Sor