I think this talk is worth .
---- Last night,you forget _____off the computer when you went to bed. ----- Really?I remember _____off.
Look! There are many people ______ in the lake.
If you don’t know how to spell the new words, please_____in the dictionary.
— Is that your best friend Simon? ---No, it ______be him. He flew to Hong Kong yesterday.
Could you please tell me____?