Something is wrong with my computer. It needs .
Do you know the Changjiang River is longer than _____ in America?
—Tell us something about Canada, OK?—I’m sorry. _______ Jack _______ I have ever been there.
Eric seemed to be worried this morning. He ran out of the house in________ a hurry that he left the door _________.
I’m sorry. I won’t make _______ same mistake for _______ second time.
---Excuse me, is this seat taken?---_______ . That man got his books and left a few minutes ago.