2000 câu trắc nghiệm tổng hợp Tiếng Anh 2025 có đáp án (Phần 52)

My teeth were a little yellow so I ________ by the dentist.

408/500

My teeth were a little yellow so I ________ by the dentist.

had cleaned them

have them cleaned

was cleaned them

had them cleaned

Giải thích

Đáp án: D