从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
例：It is generally considered unwise to give a child ___________he or she wants.
A． however B. whatever C. whichever D. whenever
答案是B
21.You are the team star! Working with _____________is really your cup of tea.
A． both
B． either
C． others
D． the other