--Shall we go to the sea animal show tomorrow?
--_________.
---I'm sorry, Cathy.I ________ your book for such a long time.
---Never mind.
--This CD player is one thousand yuan.
--That one is eight hundred yuan.
--So that CD player is________.
---Mum, I got the first prize in the physics competition today.
---Congratulations!I am very ________ what you've done.
—Who is________,Mike or John?
—I think Mike is________of the two boys.
---_________ did you sleep last night?
---Only five hours.I stayed up late to do my homework.