(Viên chức Mầm non) bài tập tiếng Anh theo chủ đề có đáp án - Test 2

Mary ____ on the essay for two hours now and she hopes that she ~ it in one more hour.

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Mary ____ on the essay for two hours now and she hopes that she ~ it in one more hour.

is working - can finish

has been working - will finish

will have worked - finishes

had been working - would finish

Giải thích

Đáp án đúng là b.