Part B 第四课时 一、给下列句子选择正确的图片。 ( )1.I lost my Chinese book. A. B. A ( )2.Open the window. A. B. ( )3.My schoolbag is blue. A. B. B A 二、给下列句子选出合适的答语。 ( )1. What's in it? A. It's my new schoolbag. ( )2. What colour is it? B. A maths book. ( )3. Here it is! C. It's blue and white. ( )4. What is it? D. Thank you so much. B C D A三、连词成句。 1.my I maths lost book ( . ) 2. is schoolbag What your colour ( ? ) I lost my maths book. What colour is your schoolbag?