--- What has your hobby brought you?--- I think it has brought me happiness, especially it keeps me _____ .
----What’s wrong with you, Eric? You look tired. ----I________ to prepare for the final exam last night.
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.