姓名: 班别: 学号:Book 2 Unit 4 课后练习一、请阅读下列句子,并选择正确的单词填空。( )1. _ go to play, OK? A. Lets B. Let( )2. What colour _? A. it is B. is it( )3. What colour _ the ball? A. are B. is( )4. Lets colour _ red. A. the nose B. nose( )5. The face _ blue and yellow. A. are B. is(