Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions. A burglar broke into the building. At the tim

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Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.

A burglar broke into the building. At the time, the guard was sleeping.

Whenaburglar wasbreakingintothebuilding,theguardslept.

Beforeaburglar brokeintothe building,theguardslept.

Aburglarbrokeintothebuildingassoonastheguard slept.

Whenaburglarbrokeinto thebuilding,theguardwassleeping

Giải thích

D. When a burglar broke into the building, the guard was sleeping