问题
____makes some people appear astonishingly youthful while others seem much older than their actual age?
A:What it is
B:What is it that
C:What it is that
D:Why it is what
B:What is it that
C:What it is that
D:Why it is what
正确答案是：
同类题型
Each of the students, working hard at his other lessons, ___ to go to university— So do I
Was it by cutting down staff _____ she saved the company— No, it was by improving work efficiency.
The Kings have been in Beijing for threeyears, so they are familiar ____ the city.
They often watch some English movies to relax _____ after school.
A： What did our class teacher say a moment agoB： Sorry, I didn’t catch it. I something else.