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
— ________ times a week do you go to the library? — Twice a week.
#56302
A
How long
B
How soon
C
How often
D
How many
Li Xiayu has a bad cold these days, ______ she still keeps studying English.
#58152
A
but
B
and
C
so
D
or