现在进行时及练习

现在进行时及练习一、选择题1．— Where are the officers? — Look! They ________ the elephant in the palace now.A．touchedB．will touchC．touchD．are touching2．—I haven't seen Jack for a couple of days. —He ________ for the English speaking competition which will take place next week.A．will prepareB．is preparingC．has preparedD．was preparing3．Listen! The boy ________ the piano again.A．playsB．playedC．will playD．is playing4．I can’t lend you my English book, because I _______ it these days.A．useB．have usedC．usedD．am using5．The noise comes from the boys. They _______ a party.A．haveB．are havingC．will haveD．have had6．—Tony, hurry up! We ________ for you now.—Just one minute.A．waitB．waitedC．have waitedD．are waiting7．Be quiet, please. They _________ a meeting now.A．haveB．hadC．are havingD．were having8．—Hi, Daming. What are you up to?—I ________ a project about family history.A．doB．didC．am doingD．was doing9．—What’s that noise, Mike?—My little sister ________ with her toy car now.A．playsB．playedC．will playD．is playing10．—May I speak to Mr. Brown? —I am sorry. He _______ an important meeting in his office at the moment.A．hasB．hadC．is havingD．will have11．Look, many people ________ in the park.A．danceB．dancedC．are dancingD．will dance12．—Candy, could you please help me do the dishes?—Sorry, Mom. I ________ my homework.A．doB．didC．am doingD．have done13．You’d better not disturb Kathy now as she ________ her speech for tomorrow’s meeting.A．is preparingB．will prepareC．was preparingD．has prepared14．—May I use your computer? —Sorry, I ________ on it.A．workB．workedC．have workedD．am working15．Listen! Someone __________ in the next room.A．singsB．sangC．was singingD．is singing16．—Tom, where's dad?—Oh, ...