The government officials met the workers and engineers working on the stadium, most____ were migrant workers．

If Mrs. Brown ____ more exercise, she will be bettersoon.

Beyond the frontier, _______ from the northern hills to the southern coast, _______ very real dangers.

the natural disaster, rather than human errors, that ________ for the death of so many innocent people.

People in China don’t often kiss or hug each other goodbyes or hellos, which ______ a common _______ in some European countries. [ ]