She didn’t know__________she could express her ideas clearly when she was invited to speak at the meeting.
#55367
A
what
B
why
C
how
D
whether
推荐题目
I ______ believe it _______ I see it with my own eyes.
#58288
A
won’t; and
B
will; but
C
will; until
D
won’t; until
_________ she is a little girl, _________ she knows a lot. 
#56192
A
Though, but
B
But, though
C
Though,/
D
But. /