please否定句don't在please前还是在后
please否定句don't在please前还是在后
please open your books.变否定句为什么是在open前加don't
please句的否定句是前面加don’t还是后面加don’t
Please go to school early today.改为否定句 是Don't在前还是
please be quiet.变否定句 please stand in line.变否定句 don t stamp y
please do sth还是please to do sth?please don't do sth还是please
改否定句时 加don't是加在often前还是后
Open the pencil box.(改为否定句 Don’t sit down,please.(改肯定句)
Could you please clean your room要变为否定句not应该加在clean前还是clean后
please not还是please don't 请详解
please not do st.还是please don't do st.
please not do 还是please don't do?为什么?