D这里的where=from which
D 这里的where=in which
C,C,C,C,D,C,D,D,B,D,D,A,A,A,B,D,C,A
11.suggest后如果接从句,要用虚拟即should+动词原形
13 .the cover of which=whose cover所以选择D
15.有only所以只能用that而不能which,所以选A
1.D2.D3.C4.C5.C6.C7.D8.C9.C10.D
11.B12.D13.D14.A15.A16.B17.B18.D19.C20.C
DDCCC
CDCDD
BDDAA
BBDCC
DACCC CDCDD BDDBA DCDCC