The Facebook CEO, Mark Zuckerberg’ s donation will have a great on the next generation.

“Les Miserables” is a wonderful film.—_______. I’ve never seen such a moving film before.

Can you hear the girls ______in the next room

Whenever I______an interesting article online,I will share it with friends on WeChat.

The black box is a necessary device on an airplane, which records its speed, direction and whether everything on the airplane_____normally.[ ]