I wondered why John kept it a secret. It was not until he three times that he told me the truth.
Although I can walk about, there is still a ____ pain in my leg.
In ______, the northerners are keen on dumplings while the southerners are fond of rice.
______ is obvious ______he has finished his work.
---Could I call you by the first name? ---Yes, you_______.
---Did you see the film last night? ---No, ________, but I was too busy.