改错题As early as(A) the 12th(B) century, boys in(C) England enjoyed to play(D) football
改错题Hardly I had(A) sat down when(B) I heard(C) someone knock(D) at the door
改错题When(A) Uncle Tom will come(B) back, please tell me(C) immediately(D)
改错题Mary found it difficult(A) to talk calmly(B) about which(C) she had experienced(D) at the station
改错题Scientistshave (A)long strugglewith (B)how to measure theeffects(C) ofclimate changeon wildlife(D)
改错题Nobody believed(A) that his excuse for(B) being late was why(C) his car broke down(D) on his way to work
改错题Aliceis (A)fond ofplaying (B)the piano while Henryis(C)interested in listeningto the(D)music
改错题After driving(A) for twenty miles, he suddenly realized(B) that he has been driving(C) in the wrong(D) direction
改错题At(A) weekends I enjoyed to stay alone(B), reading(C) works by writerssuch as(D) Mark Twain and Charles Dickens
改错题I ought have invited(A) her to(B) the party but(C) I didnt know her well(D)
改错题When a water(A) is heated(B), it changes(C) into vapor(D)
改错题Fred, together with(A)his friends, are(B)planning a trip to(C) the beach at(D) the vacation
改错题Our history professor is such(A) a knowledgeable(B) person that it seems(C) that there isnt nothing(D) which he does not know
改错题Neither John and(A) his father was able to wake up(B)early enough(C) to catch(D) the morning train
改错题Under(A) no circumstances we shall(B) stop the(C) research we have(D) begun
改错题He got to(A) the station in a hurry(B) only be told(C) that the train had just gone(D)
改错题I try to(A) avoid to go(B) shopping at weekends(C) because the stores are so crowded(D)
改错题Though Dick is five years old(A) this coming week, but(B) he is still(C) unable to speak(D)
改错题As they use(A) energy only for(B) motion, a snake can live longer without food(C) than(D) a human being
改错题You dont(A) have to worry about(B)making yourself understand(C) as manypeople here know(D) a bit of English
