用所给代词的适当形式填空 1. This is not my pencil-box. _______ ( I ) is in the bag. 2. Trees are planted in ______ ( we ) country every year, which makes our country more and more beautiful. 3. ---Is that bike Miss Gao’s? ---Yes, it is ______(she) . Beautiful, isn’t it? 4. Help ______ (you) to some fruit, Jack. 5. ---Who taught your brother to surf? ---Nobody. He learnt all by _______ (he). 6. Their English teacher is from America, but ______ (we) is from England. 7. Mary’s answer is different from ________ ( I ). 8. ---My watch keeps good time. What about _______(you)? ---Mine? Oh, two minutes slow. 9. Sam is my brother. Do you like to play with ______ (he)? 10. Did you enjoy _______ (you), Mary and Kate?