Bài tập: Sử dụng liên từ (and, but, so, for) để ghép hai câu đơn dưới thành một câu ghép. 1. Leon likes broccoli. Leon also likes carrots. 2. Dad boiled the potatoes. I mashed them. 3. It is raining. Let's walks fast. 4. Alan chased his cat. The cat escaped. 5. Sue was helping her mother. She didn't go out to play. 6. Ian wanted to play in the sandbox. Tim wanted to play on the slide 7. We are going to the farmers' market. Today is Sunday