1. It `s five years since I _________(study)English. 2.He always has ______(那麽)little trouble.
1. It `s five years since I _________(study)English.
2.He always has ______(那麽)little trouble.
3.I don`tknow_______(是,否)to go .
4.There is no water_____(and /or)noairontheroom.
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