题目内容：
Directions: Complete each of the following sentences with a suitable word.1. We’ll have to do the whole thing again _____ scratch.
2. Conditions are getting worse and supplies are running __ .
3. The children exploded ____ giggles when seeing the clown.
4. He tried to use his own weight to push the attacker off but he was____balance.
5. I used to stay________late with my mom and watch movies.
6.The discovery of the new drug is_____great significance for people.
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