He was able to finish his book. It was because his wife helped him. If only he had49/50Mark 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. He was able to finish his book. It was because his wife helped him.If only he had been able to finish his bookIf it weren’t for his wife’s help, he couldn’t have finished his bookWithout his wife’s help, he couldn’t have finished his bookBut for his wife’s help, he couldn’t finish his bookGiải thíchĐáp án C