【正文】 ented paocai；how every family makes the traditional foodD．who did invent paocai；how does every family make the traditional food17．— Do you know ________ during the Sui 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 people18．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 problem19．Today is Father’s Day. I’m thinking about ________.A．what present I gave my fatherB．if I planned a party for my fatherC．how I can give my father a surpriseD．where will my father and I have a big meal20．— I am worried about ________.— Whatever the result is, don’t be too hard on yourself.A．how can I pass my driving test B．which high school will I enterC．whether I can get great grades in the final exam D．when can I catch up with the top students21．—Could you tell me ________?—Sure, I’ll e back in three days.A．when will you e back B．how long have you stayed there C．why you went there D．how soon you will e back22．— 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 us23．—Excuse me. Do you know ________—Yes. You can go to Furong Street.A．where I can get some local snacks B．where does the boy e fromC．when can we travel to Hong Kong D．when did Jimmy e to Jinan24．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 was25．—Could you please tell me ________?—Sorry, I’m new here.A．where the airport was B．where was the airport C．where the airport is D．where is the airport26．—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 start27．—Could you please tell me _________ ?—Well, I always write s to my pen pals.A．how do you learn Chinese B．what is your pen pal’s hobbyC．what do you do after class D．how you improve your writing28．— 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 news29．— I think it’s difficult to write the book report in two days. I really don’t know ________.— Plan your time properly, and you can make it.A．why I have to do it B．when will I finish it C．how I can do it D．if can I finish it30．—Could you tell me ________ yuanxiao in China?—Usually at the Lantern Festival.A．when people eat B．how people eat C．when do people eat D．how do people eat31．—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