"They didn’t take measures in time, otherwise the explosions ____．"some experts said．

 -–She looks very happy. She ________have passed the exam.  --I guess so. It’s not difficult after all.

Tom’s boss told Tome that if he worked hard, he _____ have a rise.

—I don’t think you should use the dictionary while reading newspapers.—      , but I can’t do without it.                                         

 If we had become aware of danger earlier, we _____ to stay in that temporary shelter.