Somebody in the next room must be ill, ______ a doctor has just come out.A、becau

游客2023-09-25  21

问题 Somebody in the next room must be ill, ______ a doctor has just come out.

选项 A、because
B、for
C、in that
D、as

答案 B

解析 隔壁房里一定有人生病了,因为医生刚从里面出来。for连接一个原因分句,对前面的推测作原因上的解释.无论从逻辑推理还是从语法规则上看,只要前面是表示推测的句子,后面大都用for连接后一句,而不用其他连词.
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