be hard后加to do 还是加doing
来源：学生作业帮助网 编辑：六六作业网 时间：2025/02/01 10:04:03
behard后加todo还是加doingbehard后加todo还是加doingbehard后加todo还是加doingbehard后加todo还是加doing解析：It+be形容词+to+动词原形+
be hard后加to do 还是加doing
be hard后加to do 还是加doing
be hard后加to do 还是加doing
be hard后加to do 还是加doing
解析：It+be 形容词+to+动词原形+其它成分.
be hard后应该加to do
hard to do
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