I my homework while my mother was reading a book last night.
| A．did | B．do | C．was doing | D．were doing |
---When did Betty Beijing?
| A．arrive | B．arrive in | C．got | D．got to |
I’d like you to my birthday next Sunday.
| A．inviting | B．to invite | C．invite | D．will invite |
Qingdao is one of cities in China.
| A．the most beautiful | B．most beautiful |
| C．more beautiful | D．very beautiful |
—What did the teacher say just now?
---Sorry. I didn’t catch it. I about something else.
| A．think | B．will think | C．was thinking | D．thinks |