-- What shall we do this weekend ? --You can go swimming, hiking or _________ else you enjoy doing.
—Can you tell me ________ this morning? —Sorry,I've no idea.
—Tom, may I use your pen to the application (申请) form? —Sure. Here you are.
—How long will the summer English courses ? —For six weeks.
Smile to the world, the world will smile back to you.
A person who will travel to a foreign country must carry a .