I tennis with my cousin every day when I was in America.
— Air quality in our city is becoming worse and worse. —Yes. These days' PM2.5 readings are frightening. We must do something to ______air pollution.
---Do you like tea or coffee?--- coffee. I prefer coffee ______ milk.
What _____ good time we had________ a picnic yesterday!
I don’t know Chinese. Can you _________ it in ___________?
—_____________, please? —I think it’s about 5:30.