Question

My brother usually _____ his classroom after school. But now he _____ basketball.

1. A.
   cleans; plays
2. B.
   is cleaning; plays
3. C.
   cleans; is playing
4. D.
   is cleaning; is playing

Answer 1

C
试题分析：句意:我的哥哥通常在放学后打扫教室.但是现在他正在打篮球.结合语境可知前文描述的是经常性动作,故用一般现在时态.下文描述的是现在正在进行的动作,故用现在进行时态.故选C.
考点：时态
点评：英语中的时态主要是借助于时间状语与上下文语境来进行判断。解答此类题型，首先要注意句子中的时间状语，如果没有则要通过分析上下文，结合语境来判断句子的时态。