动词填空 用括号内所给动词的适当形式填空。（本大题共8小题，每小题1分，共8分）
Your mobile phones require _______(turn) off while having a meeting.
All the rules ______(explain) clearly before the game starts. Please don’t worry.
Neither my parents nor I ____________ (offer) any information about when and where to meet him yesterday.
Parents always told us that the early bird _______ (catch) the worm.
When he woke up， he found he__________(lie) on a small boat in the middle of the sea.
The purpose of new technology is to make life we have been used to easier， _________ (not make ) it more difficult.
He said the next time he came here， he ______ (stay) for a longer period of time.
--Look! Someone ______ (clean) the blackboard.
-- Well， it wasn’t mine. I didn’t do it.