1．play important part in

　　 在......中起重要作用；对......有重要影响

　　2．put 放下

　　3．hold 伸出

　　4．come up 朝......走过来

　　5．turn 走开

　　6．keep one's eyes 注视，盯着看

　　7．fix 注视，凝视

　　8．look around 四处寻找

　　【答案】　1.an　2.down　3.out　4.to　5.away 6．on　7.on　8.for

　　根据提示补全下列教材原句

　　1．She reached out a paw to pat something in the air in front of her，something quite Will.

　　它伸出爪子去拍它面前空气中的某种东西，某种威尔看不见的东西。

　　2．Then she leapt backwards， .

　　然后它向后一跃，脊背拱起，毛发竖立，尾巴僵直地伸着。

　　3．It wasn't easy，because there was nothing ，but when he came to the place and cast about to look closely，he saw it.

　　这并不容易，因为他无法把目光集中在某件东西上。但是当他靠近那个地方，设法仔细观察时，他看出了端倪。

　　4．When it had gone past he crossed the road， the spot where the cat had been investigating.

　　卡车开过去后，他穿过马路，眼睛盯着那只猫一直在打量的地方。

　　5．It looked someone had cut a patch out of the air，about two metres from the edge of the road，a patch roughly square in shape and less than a metre across.

看上去就像有人在距离路边大约两米的地方将空间切开了一块，它大体呈方形，不到一米宽。