Look! The ground is wet. It must have rained last night, ________？

Have the Smiths moved to California? —–Not yet, but they have ____________.

I think a good friend should be __________ all his orher subjects.—I don’t agree. I don’t think grades are important ina friendship.

We have _________ some organizations tohelp the poor students in the western areas of China.

Lucy likes drawing, ______ she doesn’t like reading.