Unit 3 Langua ge in use
I单项填空。
1. —__________ they playing games over there?
—Yes, they__________.
A. Do, do B. Are, are C. Do, are D. Are, do
2. Tony is talking__________ his cell phone.
A. on B. about C. in D. for
3. All the students are getting ready__________ their homework.
A. do B. to do C. doing D. does
4. The children can’t wait to open their presents__________ Christmas Day.
