单选题
1.00分
Tom's school was on the other side of the road, so he was told to watch out for cars whent _________...
Tom's school was on the other side of the road, so he was told to watch out for cars whent __________he street.
参考答案: A
参考解析: 考查状语从句的省现象。当状语从句的主语和主句的主语一致,且从句中含有be动词时.可以省状语从旬中的主语和be动词,即题中从句中的crossin9为he was crossing的省。故选A。