用所给单词的适当形式填空。 1. Colin can’t __________ (use) chopsticks well. 2. Would you please __________ (pass) me the spoon? 3. She often __________ (go) to school at 6:30. 4. My sister can do much housework. She is __________ (help) at home. 5. What’s __________ (she) favorite subject?