Ⅱ.单项选择（共 20分，每小题 1分）
11.“ bookcase is this?” “Itmustbe .”
A.Who’s;Tom B.Who’s;Tom’s C.Whose;Tom’s D.Whose;Tom
12. Our town haschanged a lot, .
A.so his has B.sohas his C.so is hers D.so has he
13.“Should ateenager to geta driving license? ” “Firstgo to a training centre.”
A.be allow B.allow C.be allowed D.allowed
14. Doing exercise good for your health.
A.be B.am C.is D.are
