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 câu trả lời
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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