construction site in our city the workers have uncovered an ancient wall that_______ to keep the enemy out of the city, but it requires further evidence.

r to prevent the disease ___________ to other districts, the authorizedorganization killed thousands and thousands of cows

walked in the desert for several days, they felt exhausted, but they had to find a pool before the water in the bottle ___________ .

________ can be good at something for 40 years if he doesn’t love it.

Mike has made many friends since he toChina.