ever forget our English teacher,_________ is a well-educated teacher, _________ we admire very much.

With so much noise outside, the students can’t _____their homework.

The teacher told her Senior 3 students thatit was important to ___________ time for relaxation under great pressure

The modern plane is not the machine _____ it was when first invented

It is really crazy ________ Peter to let his ________ son swim alone in the river.