He works in a factory now, but he on a farm for 20 years.
| A．worked | B．has worked | C．had worked | D．had been working |
I find _______important to know about the culture when learning a language.
| A．this | B．which | C．what | D．it |
— Do you know where Kate is?
— No, I don’t. I______ her since last week.
| A．didn’t see | B．haven’t seen | C．won’t see | D．don’t see |
–what did you do after school yesterday? --I_____ basketball with my friends.
| A．play | B．played | C．will play | D．am playing |
A child ______ parents are dead is called an orphan.
| A．who | B．who’s | C．whose | D．which |
Mr. Li is______ Chairman of the meeting.
| A．a | B．the | C．/ | D．an |