We haven't settled the question of it is necessary for him to study abroad.
A. if
B. where
C. whether
D. that
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It's generally considered unwise to give a child he or she wants.
A. whoever
B. whenever
C. whatever
D. whichever
leaves the room last ought to turn off the lights.
A. Who
B. Whoever
C. Whom
D. The person
surprised me most was such a boy of seven could play the piano so well.
A. That...what
B. What...that
C. That...which
D. What...which
饭后“打包”,把吃剩的菜带回家。这一做法( )。
A. 过于节俭
B. 既不环保也不卫生
C. 既理性,又务实
D. 精神可嘉,行为不可取