Question

–Our classroom _________ twice a day. So it is very clean.
–It is important for us to do this.

1. A.
   is sweeping
2. B.
   is swept
3. C.
   sweeps
4. D.
   has swept

Answer 1

B
试题分析：句意：我们的教室一天打扫两次。所以它很干净。对我们来说打扫教室很重要。根据句意，可知句子要用被动形式，本题中说明的是一般的情况，故用一般现在时的被动，故选B
考点：被动语态
点评：被动是中考中必考的语法点。解答好此类被动语态的题目，首先需要对句意有充分的理解，其次注意被动语态的基本形式。对于各个时态的被动语态，学生在平时的学习中都必须了然于心，中考英语中很亲睐考察将来时的被动语态，即will+be+done.