—What's up? —I missed the train. By the time I got to the train station, the train for 10 minutes.
---We can use MSN to talk with each other on the Internet. ---Really? Will you please show me ________ it?
My brother used to _______ up late, but now he is used to _______ up early.
They are _______ little sheep that we can’t make much money by selling _______.
---Do you know how long ________? ----I’m sorry I don’t know.
Jim has many hobbies, ________ swimming, hiking and playing badminton.