【正文】 soundD．when light travelled faster than sound3．—Could you tell me ________ “the Father of Rice”?—Because he helped many countries grow more rice.A．when was Yuan Longping called B．why is Yuan Longping calledC．when Yuan Longping was called D．why Yuan Longping is called4．—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 helpful5．— 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 students6．—What did the headmaster ask you after the meeting?—He asked me ________.A．what I do for the project last week B．if can I finish the work on timeC．how did I deal with the problem D．why I was late for the meeting7．Tom was not listening carefully, so he failed to hear________.A．what did the teacher sayB．what the teacher saidC．who does the teacher say toD．who the teacher will say to8．— 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 sweater9．— 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 it10．—Could you tell me ________ during the winter vacation?—I studied online and helped with the housework.A．what did you doB．what you didC．where did they goD．where you went11．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 pet12．—Do you mind telling me ?—Of course not. Remember “Keep Moving”.A．how can I lose weight B．where can I lose weightC．how I can lose weight D．where I can lose weight13．—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, but could you tell me ________?—Sorry, I don’t know. I’m new here, too.A．which is the way to the nearest bank B．how long the Grand Theatre opensC．where I would enjoy the natural beauty D．how do the local people celebrate Christmas16．—Jack will have a birthday party tomorrow. Do you know ________?—I’m not sure. Let’s call Cathy and she may know something about it.A．how can I get there B．what gift he prefersC．why didn’t he invite me D．where the party was held17．— I’m sorry, but what did he say just now?— He asked you ________.A．who has been to the USA in your classB．when did China bee a member of the WTOC．what was wrong with y