1.(2015课标全国卷Ⅰ)It was raining lightly when I (arrive)in Yangshuo just before dawn.
答案 arrived 考查动词的时态。由语境可知说的是过去的事,故用一般过去时。
2.(2015课标全国卷Ⅰ)Yangshuo (be)really beautiful.
答案 is 考查动词的时态和主谓一致。此处叙述的是客观事实,故用一般现在时,主语是第三人称单数,故填is。
3.(2015课标全国卷Ⅱ)This cycle (go)day after day: The walls warm up during the day and cool off during the night and are thus always a timely offset(抵消)for the outside temperatures.
答案 goes 本空考查动词的时态和主谓一致。根据下文可知应用一般现在时,且This cycle为第三人称单数,故用goes。
4.(2014课标全国卷Ⅰ)In 1969,the pollution was terrible along the Cuyahoga River near Cleveland, Ohio. It (be)unimaginable that it could ever be cleaned up.
答案 was 考查时态。根据语境和时间状语In 1969可知要用一般过去时。
5.(2014课标全国卷Ⅱ)A boy on a bike (catch)my attention. He was riding beside the bus and waving his arms.
答案 caught 根据下文可知此处是在叙述一件往事,应用一般过去时,故这里应使用catch的过去式。
6.(2014课标全国卷Ⅱ)Then the driver stood up and asked,“ anyone lose a suitcase at the last stop?”
答案 Did 句尾的问号提示该句为疑问句,“丢失”是发生在过去的动作,故应使用助动词Did。
