Choose the appropriate forms of the verbs. - What... you ... here? - I

A) are / doing / am waiting / have / been waiting *
B) do / do / am waiting / do / wait
C) are / doing / wait / have / been waiting
D) have / done / am waiting / are / waiting

Ответ:

Сборник: Английский язык
Параграф: The Present Continuous Tense

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