【正文】 Peter, do you want to know something about Barcode（條形碼）?—Yes, I am wondering ________.A．how old is the great invention B．who came up with this codeC．that it can be used in the library D．what information does a Barcode include.3．—Have you ever heard about the new law against food waste? I’m wondering ________. —Don’t worry. Of course it will.A．will it be helpful B．how will it be helpfulC．it will be helpful D．whether it will be helpful4．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 greener5．—I’m excited about Huawei’s new smartphones. Do you know ________?—Next month.A．how can I get one B．when will they e outC．how I can get one D．when they will e out6．—About the Chinese Dream, could you please tell us ________, Mr. Wang?—By pulling together.A．how can we make it e true B．how we can make it e trueC．when can we make it e true D．when we can make it e true7．—Could you tell me________?—Once a month.A．how often do you go to the supermarketB．how often you go to the supermarketC．how soon will you go to the supermarketD．how soon you will go to the supermarket8．—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 Olympics9．—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 house10．—Can you guess ________? —Maybe Guangdong. She always makes soup for meals.A．why does she e hereB．why she es hereC．where does she e fromD．where she es from11．—What did the teacher say just now?—He asked me _________.A．how could I work it out B．when did I go to the libraryC．why I looked unhappy then D．who I am waiting for12．—Could you tell me________ ?—By searching the Internet.A．how you got the information B．when you got the informationC．how did you get the information D．when did you get the information13．—Excuse me, could you tell me ________?—Certainly. Go along the street and you will find it on the left.A．why I can go to the bank B．why can I go to the bankC．how can I go to the bank D．how I can go to the bank14．Hi, Jim. I hear that you’ve just e back from Sanya. I’m calling to ask ________.A．how did you visit the city B．how many days you’ve spent thereC．which hotel have you stayed in Sanya D．how you found the seafood there15．—Excuse me, could you tell me ________?—Better walk there. It’s only about ten minutes’ walk.A．how far Tianle Lake is B．which is the way to Tianle LakeC．how I can get to Tianle Lake D．how can I get to Tianle Lake16．—I’d like to know ________ for the party.—I have no idea.A．why did she buy so little food B．what she has preparedC．whether will she