More and more people have realized that we won’t have cleaner water to drink unless something _______soon.

A new bridge from Zhongshan to Macao           in five years.

—Mr Wang, I’m afraid I can’t finish this task by myself.—Don’t worry. Two more helpers _______ soon.

The monkey was seen _________off the tall tree.

—How is your pet dog? — He is lovely. But if he _______ at home all day, he _______ at me angrily.