________is dangerous for us to swim in the river alone.
A. It                  B. That                   C. This

Linda has two Chinese friends. often talk in Chinese.
A. Their                    B. Them              C. They

_____you do, don’t miss this exhibition, for it’s so hard for me to get the tickets.

—Where did you go for your winter vacation? —My family went to Paris._______ had a great time.
A.He  B. She C. We  d. They

—What are _______ teachers doing?
—They are having a meeting.
A. this                  B. that                      C. those

    is a good idea to bring your camera because you may want to take photos of the autumn leaves.

—Would you like some juice or coffee?
—           . I really don’t mind.
A. Either     B. Neither    C. Both

—__________ will your father be back?
—In two months.

— He, together with his parents ______going to visit Shanghai in July. How about you?
— I'm afraid I have to stay at home _   _.

Are these books ____.
— No. they are not mine. They belong to ______.