【正文】 foodC．who invented paocai；how every family makes the traditional foodD．who did invent paocai；how does every family make the traditional food19．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．— Could you tell me ________?— Yes. I bought it online.A．where do you buy the sweater B．where you buy the sweaterC．where did you buy the sweater D．where you bought the sweater21．—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 ________.— 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．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 was24．—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．—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 doing26．—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 writing27．— 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．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．—Jerry, could you remember ________?—Have you forgotten we agreed to go to the Summer Palace?A．where we are going to after the exam B．where are we going to after the examC．where are we going after the exam D．where we are going after the exam31．—Could you please tell me _______ “The Reader”, a TV programme hosted by Dong Qing?—Well, it is fun and teaches us a lot of knowledge.A．how do people like B．how people likedC．why do many people like D．why many people like32．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 say33．—Could you tell me ________ for the ing holidays?—Sorry, I have no idea.A．where are you going B．where you goC．where you are going D．where you went34．We haven’t dec