中科新闻网篮球高手之桃出女寝:英语问题寻求帮助！！！
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根据句意，用所给单词的适当形式填空。
1.I won't leave until the English teacher _____(come).
2.Why not invite John and Joan _____(have) dinner with us?
3.When I first _____(hear) about it, I was only five years old.
1.I won't leave until the English teacher _____(come).
2.Why not invite John and Joan _____(have) dinner with us?
3.When I first _____(hear) about it, I was only five years old.
1.comes
2.to have
3.heard
came
have
heard
comes
to have
heard
1. comes
2. to have
3. heard
COMES 主句 将来 时态 从句 现在 时态
to have 将来 时态 的 不定式
heard 主句 从句 都是 过去时态