The boy dived into the water and after ___ seemed to be a long time, he came up again.

What do you think of the book ——Oh, excellent. I never doubt_____ It is worth _____a second time.

w more you can use the Internet or watch CCTV news, or．

In the past ten years, the ____mountain climber ____ a lot from his own adventurous _______

When I went into the classroom, to my _____, all of the students stood up together．