The answer this question is known ________ us all

The passage is probably intended to answer the question "______".A．Is war inevitable？B．Why

He said ________ as not within his power to answer the question. A. that B. this C. su

That the letter is found and answered so many years later is a（n)______to all the people.

_____ the moon moves round the earth is well known to all of us .A.WhatB.ThatC.WhichD

This question is very difficult ______ of the st

The passage is probably intended to answer the question “________”.A) Is war inevit