用情态动词或否定形式填空1、He ---be at home now ,because he called me from the office just now2、It ---be dangerous to smoke at the gas station.3、He ------be the best student in his class ,for he never words hard .But if he words hard
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用情态动词或否定形式填空1、He ---be at home now ,because he called me from the office just now2、It ---be dangerous to smoke at the gas station.3、He ------be the best student in his class ,for he never words hard .But if he words hard
用情态动词或否定形式填空1、He ---be at home now ,because he called me from the office just now
2、It ---be dangerous to smoke at the gas station.
3、He ------be the best student in his class ,for he never words hard .But if he words hard,he ----be .
用情态动词或否定形式填空1、He ---be at home now ,because he called me from the office just now2、It ---be dangerous to smoke at the gas station.3、He ------be the best student in his class ,for he never words hard .But if he words hard
can't （根本不可能）
2.must(肯定）
3.can't (根本不可能）.may/might(有可能）
couldn't 不可能 could couldn't，would
为你解答。
1、He （can't） be at home now ,because he called me from the office just now.
他现在不可能在家，因为他刚才从办公室给我打了电话。
2、It （can） be dangerous to smoke at the gas station.
在加油站吸烟会很危险。
3、He （c...
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为你解答。
1、He （can't） be at home now ,because he called me from the office just now.
他现在不可能在家，因为他刚才从办公室给我打了电话。
2、It （can） be dangerous to smoke at the gas station.
在加油站吸烟会很危险。
3、He （can't） be the best student in his class ,for he never works hard.But if he works hard,he （would）be .
他不可能是班上最优秀的学生，因为他从来不努力。但如果他努力的话，他会成为最好的学生的。
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