David, could you tell me _________ the Olympics take place—Every four years. The 32st Olympics will take place in Tokyo in 2020.

to their hard work, the new bridge has beenfinished_____________

ter a long riding, the passengers inthe bus were very tired and some of them ____ asleep

We raised a lot of money at the charity show.—Exactly! There is useful saying, “Many hands make light work.”

He put a finger in his mouth, ______ it andsmiled, ______ rather pleased.