简体中文

Family secrets

The use of modal verbs and phrases to express degrees of obligation, or whether or not something is necessary, desirable, permitted or forbidden, as well as describing abilities.

C1 (高级)
F
Freddiek
( 4.0 )

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Family secrets

The use of modal verbs and phrases to express degrees of obligation, or whether or not something is necessary, desirable, permitted or forbidden, as well as describing abilities.

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普通英语

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