Alex is an African grey parrot. Like many other parrots, he is good 1)______ imitating human speech. But unlike other parrots, he seems to understand what he says and what his owner wants him 2)_______.
When his .owner shows Alex an object and asks about 3)_____ shape, colour, or material, he can name it correctly. If she asks him about the difference 4)_____ two objects, he also answers. But if there is 5) _____ difference, he says, "None."
If he says, "Wanna banana", but 6)______ a nut instead, he asks for the banana again or takes the nut and throws it at his owner. When Alex is tired of being asked, he says, "I'm gonna go away".
Alex 7)_______ 100 words, so he can ask for his favourite
food and toys.
| 1. a) at | b)in | c)- | d) with |
| 2. a) doing | b)do | c) to do | d) to make |
| 3. a) it's | b)its | c) his | d) her |
| 4. a) in | b) among | c) between | d)of |
| 5. a) not | b)any | c) some | d) no |
| 6. a) is giving | b)is given | c) are given | d) gives |
| 7. a) has | b)knew | c) is | d) knows |
| known | knowing |