làm nhanh nha mn ----- Nội dung ảnh ----- IV. There is one mistake in each of the following sentences. Find the mistake and write your answer A, B, C or D. (1 point) 1. Do you know how many people are there in her family? A B C D 2. It’s ten o’clock. My father unloads the vegetables. A B C D 3. My class has a picnic two a year. A B C D 4. My mother needs to buy a bottle of cooking oil and five hundred gram of beef. A B C D 5. My brother has a lot of homeworks to do this evening. A B C D 6. But the verbs in brackets into the correct form or tense and write your answer.