Question

【題目】（題文）I didn't understand_______. So I put up my hand to ask.

A. what my teacher says

B. what did my teacher say

C. what my teacher said

D. what does my teacher say

Answer 1

【答案】C

【解析】

句意：我不理解我的老師說(shuō)的話(huà)，因此我要舉手去問(wèn)。這里考查賓語(yǔ)從句，賓語(yǔ)從句的語(yǔ)序應(yīng)該是陳述語(yǔ)序，故排除選項(xiàng)BD；因?yàn)橹骶涞闹^語(yǔ)動(dòng)詞didn't understand是一般過(guò)去時(shí)，所以從句的謂語(yǔ)動(dòng)詞也應(yīng)該用一般過(guò)去時(shí)。故排除A；故選C。