Mike, why did you copy Lisa’s homework again—Sorry, Miss Smith, I ____ do it again.

You seem to be familiar with London.—I ______ there for three yearsIt’s great to be back

Will you read me a story, Mummy? —OK．Youhave one if you go to bed right away．

Would you like some more beef?—No, thanksI’m ______ a diet

Let’s go fishing if it ______ this weekend.—But nobody knows if it _______.