用所给词的适当形式填空。 1. Tom is a good _____ (wait). He is very careful and kind. 2. I know you _____ (teach) history for 20 years. 3. Could you tell me how _____ (get) to the railway station? 4. Mr. Wang has worked as a engineer. He is _____ (experience). 5. Lily and Lucy _____ (live) in Beijing since they were 3 years old. 6. It will take me some time _____ (save) enough money. 7. She _____ never _____ (see) that film before. 8. I'm sorry _____ (bring) you so much trouble. 9. I _____ (lend) her some story books the day before yesterday. but she _____(not give) them back to me yet. 10. —_____ you ever _____ (be) to the Palace Museum? —Yes. I _____ (go) there two years ago.