【正文】 and 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 people19．The students are discussing ________.A．why they are often under stress B．when did Tom saw a doctorC．who would teach them English D．whether is stress a big problem20．—I’ve just received a Wechat message—“ttyl”. Do you know ________?—It stands for “talk to you later”.A．how does it mean B．how it meansC．what does it mean D．what it means21．China’s Tianwen 1 Rover landed on Mars on May 15th, 2021. Do you know ________.A．what it was going to discover B．why was it sent thereC．what it looks like D．how many photos does it take there22．—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 take23．— I wonder ________.— Why not?A．that you’d like to e with us B．whether you’d like to e with usC．when would you like to e with us D．how would you like to e with us24．—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 to25．—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 talk26．—Ann, could you tell me ________ yesterday?—Oh, I went to the supermarket for shopping near my home.A．where did you go B．when you went C．who you will go with D．where you went27．—Could you tell me ________ to London?—Sure. Next month.A．when will you travel B．when would you travelC．when you will travel D．when you travel28．—I seem to be lost . Could you tell me ________ ? —Sure. You can take the No. 3 bus to get there.A．where is the nearest hospitalB．how long it will take me take me to the airportC．how I can get to the Xishan MuseumD．how far is my trip to the shopping center29．—Amy, I wonder ________ in the street when I e to pick you up. —Well, there’s a big tree by the front gate and it’s covered in lovely white flowers at the moment.A．how will I find your house B．how I will find your houseC．when I will find your house D．when will I find your house30．—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 next31．—Can you imagine ________ in 2035?—I’m sure it will be better.A．how our life was B．what will our life be likeC．how was our life D．what our life will be like32．We haven’t decided ________.A．that we will repair our house B．when did we go to the partyC．where we went on vacation D．whether we will keep a pet33．Hi, Peter. I’ve taken some p