Question

【題目】—Why was she sad? ( )

—___________.

A.Because she become blind

B.Because she became blind

C.Because she went to the zoo

Answer 1

【答案】B

【解析】

句意：為什么她是傷心的？she不能用動詞原形become，was說明是過去式，選項B因為她看不見了。選項C因為她去了動物園。C不符合語境，故選B。