When do you have science?—I have science ________Tuesday and Friday.[ ]

The police _____ the man who lives next door _______ robbing the jewellery shop.

If you happen to get lost in the wild, you’d better stay ______ you are and wait for help.

Dalian isthe north of China . [ ]

When you have borrowed a book from the library, you should keep it well, as if it were ______ of ______.