You look exhausted!- I __________ tennis with my friend allthe morning.

Who cooks dinner in your home — My mother .

Later in this chapter cases will be introduced to readers _____ consumer complaints have led to changes in the law.

I’ve just heard that the speech to be given by Ma Yun, the Alibaba CEO, has been cancelled.—Oh, ____________________.

Betty hasn’t got any hobbies you call sleeping a hobby.