题目内容
根据句意,在答题卡标有题号的横线上,写出括号内所给单词的适当形式。
1. Your classroom has been cleaned by the robots, now ___________( they) is being cleaned.
2. He was affected by the ___________(warm) of their welcome.
3. Four ___________(nine) of the trees have been watered so far.
4. Don’t you think it’s much ___________( silly) to say so?
theirs; warmth; ninths; sillier
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