If you want to learn English well, it’s useful to _____ before class and _____ after class.A.review, previewB.preview, reviewC.review, to preview
I think he will come back ______ three days.
We will use ______ and get ______ on the Internet.
---What is Mr Zhang doing? ---He is writing some English words ______ the blackboard ______ chalk.
My old neighbor felt _______ after her son moved out.
She didn’t work hard, and _______, she was fired.