More and more people have a low-C life and the air is getting much ___ than a few years ago.
—Where is Li Mei now?—She _________ to Canada. She will be back in two days.
I _______ the dinner already.
The picture shows us ________ in Nanjing in the past.
— How many handbags did you buy yesterday? --- ________. They are too expensive.
—Could you tell me_______________? I’ll meet you at the airport. —At 11:00 am.