What a shame that there are so many people there, but ______ dare stop the crime(违法、犯罪行为).

--_______do you usually go to school? --_______seven o’clock _____the morning. 

________ she ran to the classroom, the teacher had begun the class.

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

We can’t go swimming           the heavy rain.