"let sb. do sth." and"let sb. to do sth."
"let sb. do sth." and"let sb. to do sth."
《五年中考三年模拟》上一道题:
Let your cousin go to the post office________(post)this letter if you are busy.
We usually say "let sb. do sth".But the answer is"to post".
有"let sb. to do sth"的结构吗?或者是我没理解这句话呢。。
我实在想不通。。