Wisdom and courage are ________ need to make it through cases of emergency.
A. all that
B. all what
C. what all
D. that all
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________ completes the first two stages can then choose ________ to continue with one-on-one piano lessons in the final stage.
A. Whoever; whether
B. Whatever; if
C. Who; if
D. What; whether
A paper plant is ___________ paper is made.
A. which
B. where
C. what
D. in which
He didn’t buy the car though it was cheap? That’s ___________ he had no money at that time.
A. how
B. why
C. because
D. when
The question is ___________we should ask them for help.
A. if
B. whether
C. that
D. what