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- 题目分类：英语
- 题目类型：单选题
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Every year, Tom remembers to have some flowers ________to he
Every year, Tom remembers to have some flowers ________to her mother on her birt
Oct. 1st, ________ is our National Day, is always celebrated
Oct. 1st, ________ is our National Day, is always celebrated with singing and da
Only when Tom fully recovered ________ back to work.（ ）
Only when Tom fully recovered ________ back to work.（ ）
居民企业一律以企业登记注册地为企业所得税纳税地点。（ ）
居民企业一律以企业登记注册地为企业所得税纳税地点。（ ）
__________ caused the accident is still a mystery.
__________ caused the accident is still a mystery.