they have been talking for the whole three huors 改为一般疑问句
they have been talking for the whole three huors 改为一般疑问句
一空一词They have been taking for the whole three hours 改一般疑问句__
句型转换 1.They have been talking for the whole three hours.(改成一
they have been talking for the whole five hours 变疑问句
She has been working for 20 huors.(改为一般疑问句)
They have three meals 改为一般疑问句
20.They have learned English for three years.(改为一般疑问句)
they have three tennis balls.改为一般疑问句
They have been to Tiannamen Square 改为一般疑问句
They have been to America.(改为一般疑问句)
They have three meals.(改为一般疑问句) ____ they ____ three meals?
I cleaned the whole house three days ago改为一般疑问句