用括号内的词的适当形式.
1.My brother is two years __________(old) than me.
2.Tom is as ________(fat) as Jim.
3.Is your sister __________(young) than you?Yes,she is.
4.Who is ___________(thin),you or Helen?Helen is.
5.Whose pencil-box is _________(big),yours or hers?Hers is.
6.Mary’s hair is as __________(long) as Lucy’s.
7.Ben ______ (jump) ________ (high) than some of the boys in his class.
8.______ Nancy sing __________ (well) than Helen?Yes,she _____.
10.My eyes are __________(big) than ________ (she)..
11.Which is ___________(heavy),the elephant or the pig?
12.Who gets up _________(early),Tim or Tom?
13._____the girls get up_______ (early) than the boys?No,they______.
14.Jim runs _____(slow).But Ben runs _____(slow).
15.The child doesn’t ______(write) as ____(fast) as the students.