Could you please show ____ your ticket?– Here you are.

The girl was born __________ the morning of May 1, 1991.[ ]

I felt very __________ when I was having classes this morning.—Did you stay up very late last night?

Do the Smiths live next door to you?—No, but they _________.

David，is that man your Chinese teacher?—It___________ be him．He’s having a meeting．