Present perfect simple and present perfect continuous
Требуемые условия завершения
EX 1. Choose the present perfect simple or present perfect continuous to complete the sentences below. If both tenses are possible, use the present perfect continuous.
EX 2. Choose the present perfect simple or present perfect continuous for each gap below.
EX 3. Complete the dialogues below with the present perfect simple or present perfect continuous of the verbs in brackets. If both tenses are possible, use the present perfect continuous.
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