---Could you please come to the museum with me this afternoon?---Sorry, I ______ . I have to take a piano lesson at 2 pm.
Would you mind ________ me how ________ English words?
— What kind of movies do you like? — I like the movies ________are about Chinese history.
― How do you feel when you watch the national flag go up? ― It makes me ________ very proud.
— Which month has ________ days in a year? — February.
We should never ________till tomorrow what we can do today.