I’M SURE THAT THEY HAD PRACTICED HARD FOR THE GAMES AS THEY WON A L...

48.I’m sure that they had practiced hard for the games as they won a lot of medals.A. They couldn’t have practiced hard for the games as they won a lot of medalsB. They must have practiced hard for the games as they won a lot of medalsC. They shouldn’t have practiced hard for the games as they won a lot of medalsD. They might have practiced hard for the games as they won a lot of medals.Mark the letter A, B, C, or D to indicate the sentence that best combines each pair ofsentences in the following questions.