简体中文

Ability, permission, requests, offers and suggestions

The use of can, could, be able to, may, be allowed to and phrases for suggestions.

B2 (中高级)
M
Maxwella
( 4.0 )

01

02

Ability, permission, requests, offers and suggestions

The use of can, could, be able to, may, be allowed to and phrases for suggestions.

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