It_____everyone to hear all of the villagers behind the mountain were killed in the earthquake.

－When I first got to Harvard, my terrible English was a burden to me.－Oh, dear, it ________ a struggle for you to keep up with other students.

If I ______ five minutes, I will geteverything ready.

The kids seated themselves ______ to the teacher and listened ______ with great interest [ ]

Water is the cheapest drink. And it is also ______.