Kitty is _______．But her sister is tall．

I saw him _______ out of the room.[ ]

Look! Someone is cutting a tree on the moon.–It _______ be true, Granny. Our teacher says there isno air there.

Several companies are competing _____ each other for a contract(合同) [ ]

I’m sorry I shouldn’t have shouted at you the otherday—______ I was a bit out of control myself