問題詳情:
When the teacher asks him, he always ____.
A. keep silent B. keep silently C. keeps silent D. keeps silently
【回答】
C “he”是第三人稱單數,A、B可排除;keep為連繫動詞,後需跟形容詞作表語。
知識點:主謂一致
題型:選擇題