单项选择题
When he says "You won't be for long" the writer means t...
单项选择题When he says "You won't be for long" the writer means that ______.
The biggest advantage of this new system is that ______...
单项选择题The biggest advantage of this new system is that ______.
The purpose in writing this text is ______.A．to encoura...
单项选择题The purpose in writing this text is ______.
