If nobody breaks traffic rules and everyone is careful enough, most accidents can be 　　　.

-What an amazing woman Li Na is!  -Yes, she has got the second Grarid Slam. She keeps           . and never gives up.

---Mary_____ every day. She likes to do it.---So she is very healthy.

Tomorrow David will have an important meeting, so he will _____a suit at the meeting.

  --- How long has the movie ________? --- About half an hour .