He always kept silent at meeting.句子成分分析?

He always kept silent at meeting.句子成分分析? He always kept silent at meeting.( 他开会时总保持).这里的kept为什么用过去式啊? he always keeps silent at the meeting为什么always和keeps要加s? he always kept silent when i talked to him为什么用kept They all kept silent at the meeting ________seemed to be a l 1.At the meeting,they kept ______all the time.A.silent B.sil He looks at the picture句子成分分析? On being asked where he come from ,he kept silent. 分析句子成分：At last he got home,tired and hungry. he was late for the meeting 句子成分? His face always turned red when he talked to gils.句子成分分析, how many times you kept moving on句子成分分析