问题
选择题
Something ___ to save our earth. Do you think so?
A．can do
B．must do
C．has to do
D．must be done
答案
答案：D
something must be done意为:必须采取措施.
搜题请搜索小程序“爱下问搜题”
Something ___ to save our earth. Do you think so?
A．can do
B．must do
C．has to do
D．must be done
答案：D
something must be done意为:必须采取措施.