His _________________of that singer is perfect.

A. imitate
B. imitated
C. imitates
D. imitation

He was __________ doing the same thing every day.

A. tired of
B. tired with
C. tired on
D. tired in

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

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.

It was considered really cool to ____________________.(去汽车餐厅买个汉堡或热狗吃）