—Could I keep this book for another week?—Of course you        .

—What will the weather be like tomorrow? —It__________ be rainy, cloudy or sunny, I’m not sure.              

His work _____ have been completed; otherwise, he wouldn’t be enjoying himself on the beach.

－Lily’s ideas are ________________ yours. －I know. She never agrees with me. 

 –Look! The boy is running fast! –He might ______ to catch a bus.