This toy Mickey Mouse _______be Amy's. she's the only kid at the picnic.

—What qualities does a person need to become an astronaut?—He ________be knowledgeable，independent and creative.

—May I         this pair of blue jeans? —Yes, you        .

 –May I take these books out of the reading room?-- No, you _________.

--I went to work on foot yesterday, though it was raining cats and dogs.---You __________ a bus. You were likely to get a cold.