—How many computers are there in the room?—________.Some workers moved them to another place just now.
When we went into the park, we saw someone _____ Chinese Kungfu.
I my homework, I guess I can't join you.
What can we students do _____ the environment?
—Would you like to have _____? —No, thank you. I’ve had enough.
Look at the photo of the Smiths. happy they are!