1 . 他很优秀，很多同学妒忌他。
He is so excellent ________.

2 . Elizabeth has ______ attitude to life ______ she dare face any unexpected challenge.

A．so positive an; that	B．so a positive; which
C．such positive a; that	D．such a positive; which

3 . 这本书中提到的这些问题盘根错节，三言两语说不清楚。(explain) (汉译英)

4 . 我是如此沉迷于读这本小说以至于忘记了吃午饭。
I was _____________ I forgot to have lunch.

5 . 他们是那么小的孩子，以至于他们不能自己打扫房子。
They are _______ little children ________ they cannot clean the house by themselves.

6 . 他跑得如此快以至于他班里没有人能追上他。
He runs ________ no one in his class could catch up with him.

7 . 通常，公共汽车上太拥挤，我找不到坐的地方。
Usually, it’s ________________ crowded on the bus ________________ I can’t find anywhere to sit.

8 . The situation was ________ severe that there was no time to debate who was to blame. (用适当的单词填空)

9 . 这个活动是如此大的一个挑战,以至于它让我十分发愁。(such...that...)
This activity is ________ ________ ________ ________ ________ it worries me a lot.

10 . 这小孩太调皮，使得他那忙于工作的父母常常心烦意乱。(So …) (汉译英)