题目内容

George ______________________ the trend and opened his first shop online.

A. catch on to
B. caught on to
C. catch up to
D. caught up to

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That day he had been ______________ ever since he got up and by 6 o'clock in the afternoon he was tired out.

A. on time
B. on strike
C. on the air
D. on the run

In the following days, my excitement ________________________.(被绝望代替）

He got up late and ______________________________.(匆匆吃了早饭）

By the 1960s and 1970s fast foods ______________________________________(成了美国最强劲的出口商品之一）as McDonald and Burger King spread through Europe and other parts of the world.