In these sentences, each one has four underlined words or phrases marked A, B, C, and D. Choose the one word or phrase that must be changed in order for the sentence to be correct.

Câu hỏi số 1:

The bus was plenty of people who had spent many a happy hour in the stores doing  their Christmas shopping.

Câu hỏi số 2:

Not until I was on my way to the airport that I realized  I had left my passport at home   .

Câu hỏi số 3:

Mrs. Stevens, along with her cousins from New Mexico, are planning to attend the festivities.

Câu hỏi số 4:

Some of the plants in this store require very little care , but this one needs much more sunlight than the others ones

Câu hỏi số 5:

Can you explain what the numbers of these animals have become small?