问几道英语用所给动词的正确形式填空
问题描述：
问几道英语用所给动词的正确形式填空
1.When Li Lei finished________(read)the book,he went to see his good friend Bill.
2.My father has been to Shanghai.He ________(return)in about a week.
3.Here are some tips ________(prevent)accidents in the bathroom.
答
reading
will return
to prevent