What a pity! George ____well quit the trip to Hangzhou. –Let me phone him for the final decision.[

The accident _____ her carelessness.

－I think students should be allowed _____ homework with friends.－I disagree. They talk instead of ________ homework.

______ where to go, he asked a passer-byfor help.

are ______ in this building , I liveon ______.