I __________ (know) Carl since I __________ (be) a little child.
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
I didn't know the word. I had to______ a dictionary.
A.look out
B.make out
C.refer to
D.go over
I didn't know ______ or stay here.
A.either to go
B.whether to go
C.if to go
D.if that I should go
A.anytime
B.anyway
C.in this way
D.no matter how
I don't know whether he is______to special treatment just because of his rank.
A.right
B.bound
C.due
D.entided
I know I was to blame, but_____you needn’t have been so angry.
A.for the time being
B.at all times
C.in no time
D.at the same time
I don’t know why _______ late for class.
A.you are
B.are you
C.are you being
D.being you are
I do not know where (could he have) (gone) (so early) (in the) morning.
A.could he have
B.gone
C.so early
D.in the