根据中文提示，用词组的适当形式填空，每空一词。
1. Peter was ____ _____ (短缺)money and had to borrow some from his friends.
2. James will go abroad tomorrow. I'll go to the airport to _______ him ________(送行).
3. He spent a lot of time _______ _______(搜索)information about file cloned sheep last night.
4. 一The light in the office is still on.
一Oh, sorry , I forgot to ______ it ______(关掉).
5. Your homework must be ______ ________(上交)before nine o'clock this morning.
