Đáp án. to - about
Giải thích:
Cả hai giới từ cần điền đi với động từ complain (phàn nàn). Ta có cấu trúc complain to sb about sth (phàn nàn với ai đó về chuyện gì đó).
Dịch nghĩa: Những người hàng xóm luôn phàn nàn với chúng tôi về con chó của chúng tôi.
Although Anna had a lot of handbags, she was still attracted_________the new collection of Gucci.
Circle one letter to indicate the option that best completes each of the following sentences.
I tried to focus on the task, but my mind was full_________questions about what I had seen this morning.
My laptop keeps shutting down randomly. There must be something wrong_________it.
The president was thankful_________everyone who helped in the campaign.
There has been some decrease_________military spending this year.
Many workers are still unaware_________the importance of following safety procedures.