问题
选择题
We ___ to the farm last week.
A．had
B．needed to
C．didn’t
D．had to go
答案
答案：D
AC两项明显是错误的.B项中need的作情态动词后不能加ed,作实义动词的过去式加ed ,它与 go之间要有 to.
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We ___ to the farm last week.
A．had
B．needed to
C．didn’t
D．had to go
答案：D
AC两项明显是错误的.B项中need的作情态动词后不能加ed,作实义动词的过去式加ed ,它与 go之间要有 to.