He cut off the electricity immediately he found the dangerous situation, thus ____ a fire accident.
A.prevented | B.to prevent | C.would prevent | D.preventing |
31.—Can you tell me what time the flight to Detroit leaves?
—I'm sorry, but it ______.
A.has been canceled | B.had been canceled |
C.has canceled | D.had canceled |
30.Napoleon would have taken over the world if he ______ the Battle of Waterloo.
A.wins | B.won | C.had won | D.has won |
29.—How did he break his head while swimming?
—______ my warnings, he dived straight into the shallow water.
A.To ignore | B.Ignored | C.Ignoring | D.Being ignored |
28.You ______ very fast if you went from New York to Boston in six hours.
A.should drive | B.would have driven |
C.may drive | D.must have driven |
27.—Do you know when Phil's coming?
—He ______ 4: 00.
A.says | B.has said | C.had said | D.Said |