get used to, learn … by oneself, pick up, used to, can’t stop laughing
Jane 　　　     　　 the book on the floor and put it on the desk.
Three weeks later, she 　　　     　　 her new job.
The man is hard-working. He is 　       　　 English 　       　　.
His mother 　　     　　 be a football player.
She 　　　     　　 when she heard the funny joke.