It’s important exercise every morning.
—Could I borrow your book?—Of course, you _______.
---- 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.