TrafficrestrictionshavecomeintoeffectinBeijing_____toimprovethecapital’sairqualityandtrafficsituationforthe2008Olympics.[ ]

Would you like to go to the park with me-I’d love to, _______ I’m afraid I have no time.

Would you mind________the window?It’s hot here!— ________.[ ]

Where ________ you last night I called you, but got no answer.—Sorry. I ________ out with my brother.

Are you feeling _____? —- Yes, I’m fine now ．