—The meeting _______ because of the fog in Northern China last week.— Oh, it’s too bad! We should take action to improve the air quality.
Rose, you are so thin. You should eat more,_______ you’ll make yourself ill.
---I always have difficulty in ________new words. ----Why not _____ your English teacher for help.
Many people didn’t realize the importance of health _______they have fallen ill.
---Let’s go to Kunming for vocation. It’s _________too hot ________too cold there.
---Do you know Robert? ----Yes, He is ________ university student. He likes sports and runs for ___________ hour every morning.