I know one of the things I was unsure about was _____ hard it would be to climb this mountain.
#66039
A
what
B
that
C
however
D
how
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—I’m so sorry. —________here on time next time, or you'll be punished.
#59385
A
Be
B
Being
C
To be
D
Been
_______ they may have, the CEO of the corporation calls on all the staff to gather their courage to strive it.
#66086
A
What a serious problem
B
However a serious problem
C
How serious a problem
D
Whatever a serious problem