I wonder if the work can be completed in a month.— The work is progressing________schedule and should be completed within three weeks.[ ]

ly _________ a school for his hometown thatyear, but ________ a helping hand to the people in the earth-stricken area

It’s raining heavily, isn’t it?–Yes, ______ yesterday.

What’s the population_______theU.S.A.—– the U.S.A.has _______population of297 million.

The more we prepare,______ difficulties we have.