问题
选择题
It is no longer a question now man can land on the moon.
A.that B.if C whether D what
答案
A
it这里是形式主语,that 后面是实际主语,人类到达月球现在已不再是问题了。
It is no longer a question now man can land on the moon.
A.that B.if C whether D what
A
it这里是形式主语,that 后面是实际主语,人类到达月球现在已不再是问题了。