With his attention _____ on his book, he didn’t notice me enter his study.
| A．focusing | B．focused | C．to focus | D．focus |
There were no roads accessible to the earthquaks—stricken town and food_________had to be dropped by parachute.
| A．chains | B．resources | C．supplies | D．feasts |
.As long as we are united, there will be no difficulty in the world that we can’t__________.
| A．overcome | B．reject | C．undertake | D．sacrifice |
So________ was the boy in the game he was playing online that he could feel neither sleepy nor hungry.
| A．hidden | B．engaged | C．absorbed | D．drawn |
He always______ my kindness and borrows money from me, but never has he paid me back.
| A．takes advantagt of | B．makes fun of | C．pays attention to | D．plays tricks on |
第二部分：词汇知识运用（共两小节，满分40分）
第一节：多项选择（共10小题；每小题1分，满分10分）
When in contact with hot surfaces, the material can___________ poisonous gases.
| A．give away | B．give up | C．give in | D．give off |