--Why are your group so happy?
--Our group theirs in the oral English petition.
A. has won
B. have gained
C. has beaten
D. have defeated
网友回答
A. has won
B. have gained
(答案→)C. has beaten
D. have defeated
解析：本题既测试了集体名词group在句中的主谓一致结构的选用，又测试了四个动词的用法区别。在问句Why are your group so happy?中group强调的是“一个个的队员”，应用作复数；而在答句中group应视为一个整体名词，用作单数。动词win, gain后面一般不可接表示“人”的名词用作宾语；动词defeat着重强调“在战争中打败对手”，也可表示“在比赛、竞赛中战胜对手”，但主谓不一致；动词beat着重强调“在比赛、竞赛中击败对手”。