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Monitors play an important r________ in managing a class.

 He n_____ knocked me down before he saw me.

The mountains are not high on world s_________.

Geography also play a part in making d_________.

He changed so much that I didn’t r________ him at first .

 Nobody dared to go against his c_______that everyone should leave until 8 o’clock.

 A_________ and vocabulary are important for people to understand or to be understood.

The hospital is three b_______ from here .You may go there by bike or on foot.

As you know, the UN plays an important role in i________ relations.