I ______ worry about my weekend—I always have my plans ready before it comes.

a little earlier, you could have caught the last bus.

The box is too heavy to carry. What’s in it —Oh, I _________ it ________books.

— What’s the matter with Andy ? He doesn’t look very well.— He has a headache because he ______ too long; he ought to have stopped reading.[ ]

I hope you _________ a happy holiday in Shanghai.