第1题
The mason ______ I didn't do this exercise is I didn't know how to do it.
A.why...because
B.why...that
C.for...that
D.that...because
第2题
I didn't know the answer,______.
A.neither he did
B.neither did he
C.neither he knew
D.he didn't neither
第3题
I didn't know the answer, ______.
A.neither he did
B.neither did he
C.neither he knew
D.he didn't neither
第4题
I didn’t know __to do with it.
A. What
B. Which
C. Why
D. When
第5题
The angry old lady didn t know who______for the broken glass.
A.will blame
B.to blame
C.to be blamed
D.blames
第6题
A.shall
B.must
C.may
D.can
第7题
I didn t know why, but quite a few students were absent______ class today.
A.from
B.for
C.to
D.with
第8题
A.can
B.shall
C.must
D.may
第9题
I didn’t know the answer, ______.
A.neither he did
B.neither did he
C.neither he knew
D.he didn’t neither