— Tom, is your brother a member of the Swimming Club? —Yes. He _________ it for five years.
—Which of the two subjects do you like, PE or music? -- . They are really interesting.
Our Chinese teacher recommends new book to us every month and asks us to read ourselves after school.
–Could you tell me _________? --Sometimes, if I have time.
–Is it possible for David to win first prize in the running race? --______. He needs to practice more.
There are fewer and fewer tigers in India. The situation will continue ______ humans stop hunting them for their fur and bones.