Lesson 20 A Computer Helps! Words to B on ; with C off ; with D on ; to （ ）2.He tried ,but he didnt _. A success B successes C succeed D successful （ ）3.He failed _ the exam . A to pass B passing C pass in D Pass （ ）4.I _ the door , I had to go now . A forgot locking B forgoted locking C forgot to lock D forgoted to locking （ ）5. I want to watch TV ,please turn _.A it on B on it C it off D off it 句型转换 1. I received a letter from my friend yesterday afternoon.(同义句) I _ a letter _ my friend yesterday afternoon. I _ _my friend yesterday afternoon(同义句). 2.Do you want to send an e-mail to somebody? Do you want to _ _ an e-mail? A A C D A gotfrom heardfrom somebody send Choose the best answer. 1. We are going to have fun _ art. A. learn B. learning C. to learn 2. I have _ my lucky money in a box. A. hide B. hid C. hidden D. hides 3. -Whose watch is lost? - Mr.Smiths. look! He _ it everywhere. A. looked for B. was looking for C. looks for D. is looking for 3. They hid the Easter eggs behind the rocks. (改为一般疑问句并作否定回答)。 - _ they _ the Easter eggs behind the rocks? - _, they _. 4. The little girl is enjoying herself playing with her dog.(同义句) The little girl is _ _ playing with her dog. Did hide Yes did having fun 知识回顾知识回顾 Knowledge Knowledge ReviewReview