被动语态和过去完成时练习题.docx

一. 选择填空 The rivers smells terrible People must dirty things into it . be stopped to throw B. be stopped from throwing C. stop to throw D. stop form throwing Paper first invented in China . is B. are C. was D. were — Do you like the flower ? — Yes , it sweet . is smelling B. smelt C. is smelt D. smells It snowed heavily last night . The ground thick snow . was covered with B. was filled with C. was made of D. covered with The light in the room before you leave . must turn of B. will turn off C. are turned D. must be turned off the kind of question often in your class , Ann ? A. Does , ask B. Is , asked C. Has , asked D. Will , ask 7. The bridge in three weeks . A. will build B. is built C. will be built D. builds The old men and the children must in our country . take good care B. be taken good care C. take good care of D. be taken good care of Paul doesn’t have to be made He always works hard . learn B. to learn C. learned D. learning The girl was unhappy because she by some boys in the class . is laughed B. was laughed C. laughed at D. was laughed at We that the English test next Monday . are told , gives B. tell , will give C. are told , will be given D. told , is going to be given Great changes place in China since 1978 . have been taken B. have taken C. has been taken D. took the red pencil-box by your father last week ? Has , bought B. Was , bought C. Does , buy D. Did , buy Mary many songs at the party . heard sing B. heard to sing C. was heard sing D. was heard to sing trees usually in April ? Have , planted B. Are , planted C. Do , plant D. Were , planted When we got there , the broken road repaired . is being B. was being C. has been D. / The windows of the room once a week . has been cleaned B. is cleaned C. are cleaned D. are cleaning In 1620 , about half the USA forests . was covered B. was covered by C. were filled with D. covered with The young tree the stick . should be tied to B. must be tied by C. should tie to D. can be tied with A present me by my