To her disappointment, what she had devoted herself to ________ in nothing but failure.
| A．resulting | B．results |
| C．has resulted | D．resulted |
As we all know, water ______ hydrogen and oxygen.
| A．makes up | B．is consisted of | C．consists of | D．consists in |
When _____ help, one often says “Thank you.” or “it’s kind of you”
| A．offering | B．to offer | C．to be offered | D．offered |
He narrowly escaped _______ by the falling tree.
| A．to be injured | B．being injured | C．injuring | D．having injured |
_____ is known to us all, a skill can only be acquired through hard work.
| A．It | B．As | C．What | D．That |
There is no doubt _____ short sight is a serious problem among the youth of our country.
| A．which | B．whether | C．what | D．that |