问题
选择题
By the time my parents reached home yesterday, I __________ the dinner already.
A．had cooked
B．cooked
C．have cooked
D．cook
答案
答案：A
“我做饭”发生在“父母到家之前”，故用过去完成时。
搜题请搜索小程序“爱下问搜题”
By the time my parents reached home yesterday, I __________ the dinner already.
A．had cooked
B．cooked
C．have cooked
D．cook
答案：A
“我做饭”发生在“父母到家之前”，故用过去完成时。