(2019原创)Things change so f________ that we don't know what will happen in the future.
(2019原创)Hurry up! We don't have e________ time to do that thing.
(2019原创)Students can't focus on their study in such a n________ place. We need to find a quiet one.
(2019原创)He saved a girl in that fire. How b________ he is!
(2019原创)Look on the bright side of things, and we will live h________.
(2019原创)He stayed up l________ to watch the World Cup last night. He feels sleepy now.
