完形填空。 Look at this. It's 1 school bag. It is 2 . What's in it? Look! This is 3 English book. 4 yellow 5 blue. 6 this ? It's a pencil box. There are many things in it. This is a pen. It's red. This is a pencil. It's green. That is a pencil 7 . It's purple(紫色的). This is an eraser. It's white and 8 . There is a ruler 9 it. My pencil box is big and nice. I like it 10 . (     )1. A. you (     )2. A. a black (     )3. A. a (     )4. A. They're (     )5. A. of (     )6. A. What (     )7. A. also (     )8. A. a blue (     )9. A. on (     )10.A. very B. I B. the black B. an B. It's B. in B. What's B. too B. blues B. in B. much C. my C. black C. the C. There is C. and C. How's C. very much C. blue C. under C. very much