You should try to_____ new circumstances asquickly as you can.

It’s a fine day today. Whynot go out for a walk—-___________.

One of the most interesting places in Hangzhou________ are often visited by foreigners is the West Lake.

did at nine o’clock, after _______ Isat reading the paper.

He is the only one of the students ______from the country in my class, and we have known for quite some time.—Where did you meet for the first time?—It was on the farm ________ I used to work.