Since fireworks are dangerous many countries have laws preventing businesses to sell them

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Circle the letter A, B, C, or D to show the underlined part that needs correction in each of the following questions

Since (A) fireworks are dangerous(B) , many countries have laws preventing (C)businesses to sell (D) them

Since

are dangerous

preventing

to sell

Giải thích

Đáp án D

Cấu trúc: prevent+ somebody + from+ N/V_ing: bảo vệ ai khỏi cái gì. Nên sửa “to sell”-> “from selling”.