ysics teacher and English teacher always givetheir lessons in a lively and clear way,____ greatly benefits us students.

The news that the students would put off the outing until the next week was ________ yesterday.[ ]

It turned out that she could _______ in time of need.[ ]

They worry about the health of the world, and they are strongly ________ to war.[ ]

There are ten chairs and twelve teachers here. So we need _________ chairs.