Bộ 20 đề luyện thi Chuyên Anh năm 2023 có đáp án (Đề 88)

You’re quite right, of course, but you needn’t have been so rude about it.    A. at once time      B. from time to time   C. at the same time  D. at times

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You’re quite right, of course, but ____ you needn’t have been so rude about it.

at once time

from time to time

at the same time

at times

Giải thích

Đáp án: C