Will you go to the movie with me this Saturday– Sorry, I won’t. I _________ it twice

When is the best time ______ China

Do you think it wise for Chinese mothers to try to do everything for their children? —No, that’s　　　they are mistaken.

In the north of our town _______, which dates back tothe Ming Dynasty.

When I get puzzled about some difficultproblems, my teacher always encourages me and says, “Take it _________ .”