【正文】 traditional foodB．who did paocai invent；how every family makes the traditional foodC．who invented paocai；how every family makes the traditional foodD．who did invent paocai；how does every family make the traditional food19．—Why did Miss Wang look so worried when we saw her?—Because she wanted to know ________.A．where did the other students go B．when would the policeman eC．what her students have done during the trip D．if her students were hurt in the accident20． Judy, could you tell me_______the schoolbag? Oh, yes. I bought it in a store on the Internet.A．where did you buy B．where will you buyC．where you bought D．where you will buy21．—Your book is very interesting. Can you tell me ________? —In Xinhua Bookstore next to our school.A．where did you buy it B．why did you buy itC．where you bought it D．why you bought it22．—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 Jinan23．—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．—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 airport25．—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 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．I wouldn’t like to go to the library this Sunday, and I wonder ________.A．whether you can go with me B．that you can go with meC．whether can you go with me D．can you go with me29．Tomorrow is Earth Day. Let’s discuss ________.A．when shall we give out the leaflets B．what we can do to recycle thingsC．how should we save more energy D．whether can we make our city greener30．I want to know more about Hong Kong. Can you tell me ________?A．when did it return to China B．when it returned to ChinaC．when does it return to China D．when it returns to China31．—Do you know ________—In the 1960s.A．where Havoc in Heaven was created B．when Havoc in Heaven was createdC．where was Havoc in Heaven created D．when was Havoc in Heaven created32．—The 2022 Winter Olympic Games will be held in China. Do you know ________?—Yes. In Beijing and Zhangjiakou.A．when it was held B．when was it heldC．what cities it will be held in D．what cities will it be held in33．—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