Tsinghua University, ______ in 1911, is home a great number of outstanding figures.
—Did you notice my little son just now? —No, Mrs Black. I ______ computer games.
— Will you go to the museum tomorrow? — Yes, I will go _______ it’s windy.
—Would you like to go out for a walk with us? —______, but I’m very busy now.
It is impolite you to ring off when others haven’t finished their talking on the phone.
They chatted a lot on the phone and helped the girl the awful days and always put her in a good mood.