—Which drink do you prefer, coffee or tea?—I prefer coffee ______ sugar.
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.