Mr. Li asks the students_____in the river， because it’s too dangerous.

Mike， how about your trip to South Hill—-Not very good. Because our car _______ on the way.

The English teacher asked me _____ I had finished my homework.[ ]

I am ________ my sister. I love dancing but she likes singing.

My sister thinks Man from the Stars is such a fantastic TV series that she wants to see it ________ second time.