What do you want to eat ______ breakfast?—Eggs and bread.[ ]

It’s necessary and important ______school teachers to teach their students how to get on well with others. —Yes, you said it.[ ]

will Mr Black be back to London? —In two days.[ ]

－Miss Gao is popular among the students.－Yes. Her classes are always and interesting.

We work together to achieve our common purpose: __________ world that is safer, cleaner and healthier than __________ one we are living in.