I don’t have a partner to practice English _____ on the weekend.[ ]

Of all the sports shoes. John bought _______ pair. Then he had some money for socks.

It is thought that one billion people I the world, _is half the word’s workers, earn their living by farming.

Liu Xiang’s breaking the record in the Asian Games was an exciting moment, ______ all of us will never forget.

What a big storm last night!—Yes. I was doing my homework. Suddenly, all the lights in my house _______.