— Dongdong,__________ toy car is that? — It’s _________.A.who’s;hers B.whose;mine C.whose;her
---- Mom , I was the first to reach the top of the mountain .--- Good job, Jack! I 'm ______ of you.
There is ______ American boy in our class and ______ boy can speak good Chinese .
—Could I have a rest, Sir.? —________, we have little time left.
—Do you think Brazil will beat Japan in the next match ?—Yes, they have better players, so they _____ to win.
Earth is becoming more and more polluted. ______, people will move to Mars one day.