I’m taller than Bill, but I sit _____ him. [ ]

Have you ever seen ____ pen? I can’t find my pen anywhere. –Is it ____blue one? It is under the book.

Why don’t you ask him for help? You _____ be good friends.— We have disagreements and we haven’t talked to each other for a long time.

Jeff _______ heavy and he ________ brown hair.

This is the computer ________ Mum gave me for my birthday．