It is said that over 50 percent of China’s population _________ working in the cities in 2013, so there are fewer and fewer people on the farm now.
| A．are | B．is |
| C．was | D．were |
Jim failed in the test because he was_____________in the exam.
| A．stressed out | B．interested in |
| C．serious about | D．proud of |
She is a_______mother.
| A．forty year old | B．forty-years-old |
| C．forty years old | D．forty-year-old |
--What do you usually do in the morning? --I often practice_________English.
| A．speak | B．to speak |
| C．speaking | D．spoke |
I find___________hard to learn English well.
| A．this | B．it | C．that | D．they |
--Mr.Black used to be a worker,_________?
--Yes,he_______. Now he is a policeman.
| A．did he;did | B．didn’t he;did |
| C．did he; didn’t | D．didn’t he; didn’t |