—Do you know that Mrs. Obama came to China with her mother and two daughters?—Yes. And it is their ______ visit to China.

- The twins look almost the same. - They are similar_______ many ways though they are brought up_______ different families.

None of the children watch it_________ ．

There         snow and ice in Beijing this year.

 —Oh, there’s someone knocking at the door. —_______ must be that naughty boy.