Having many helpers makes a task easier and faster to complete.— I think so. ________.

Public attention at the moment is ______ on the problem of how to create opportunities for the laid-off workers

Have you ever been to the Great wall Every year tourists visit it.

Do you know the film Big Hero 6— Sure. I like it very much and I __________ it three times since it was on.

The young couple was worried,because neither of them was aware ______ they had lost the necklace.