Tổng hợp đề thi thử Tiếng Anh có lời giải (Đề số 3)

When the personnel director realized________, he immediately added two more staff to the project

77/80

When the personnel director realized________, he immediately added two more staff to the project.

what it was a formidable task

what a formidable task it was

it was what a formidable task

how formidable was it a task

Giải thích

Đáp án là B. what + a/an + adj + N + S + V. câu cảm thán, mang tính chất nhấn mạnh