外研版英语(刘兆义主编)四年级上册 Unit 3 Numbers 课时练习一、单选题1.______ ice cream, please!( ) A. The B. An C. A2.______ is eighteen plus forty eight? ( ) A. How B. Hello C. What3.That ______ 70p! ( ) A. am B. are C. is4.- A big ice cream, please! ( )- _______________ A....