1. I ________ for my sunglasses since noon, but I can’t find them. A. am looking B. looked C. have looked D. have been looking.

1. I ________ for my sunglasses since noon, but I can’t find them.
A. am looking
B. looked
C. have looked
D. have been looking.

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  1. 1. I ________ for my sunglasses since noon, but I can’t find them.

    A. am looking

    B. looked

    C. have looked

    D. have been looking

    → since noon ⇒ thì hiện tại hoàn thành tiếp diễn: S + have/has + being + V3/ed 

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