I. Cho dạng thích hợp của từ 1. She never (stay) ____ up late at night. 2. My brother (work) ____ in Ha Noi at present. 3. Why ____ you (leave) ____ the party early last night? 4. Minh (go) ____ to the dentist tomorrow morning. 5. Mozart (play) ____ the piano when he (be) ____ three years old. 6. Minh (brush) ____ his teeth every night, but last night he (forget) ____ to brush them. 7. I’m scared of (hear) ____ the ghost stories. 8. Remember (brush) ____ your teeth after meals. II. Cho dạng thích hợp của từ 1. He is always willing to help people. He is a ____ person. (help) 2. Is your back still ____ ? (pain) 3. They looked poor and ____ .(healthy) 4. She’s having ____ with her schoolwork this year. (difficult) 5. We are all ____ about the final exam. (worry) 6. She always washes and irons her clothes ____ . (care) 7. The boys were ____ to cross the street. (scare) 8. ____ to teenagers can be difficult for parents. (talk)