问题
选择题
____ can be done ____ been done.
A．All;have
B．All that; have
C．All; has
D．All that; has
答案
D
all that=what，AC排除。what作主语表整体，后面用has 选D
搜题请搜索小程序“爱下问搜题”
____ can be done ____ been done.
A．All;have
B．All that; have
C．All; has
D．All that; has
D
all that=what，AC排除。what作主语表整体，后面用has 选D