15. Antonio Stradi-
vari (to make) wonderful violins. 16. Who (to paint)
the world-known picture "Mona Lisa"? 17. She to
know) all the works of Chopin. She (to enjoy) listen-
ing to his waltz last night. 18. Steven's friends (to
come) to his birthday party last night and (to give)
him wonderful presents. His parents (to cook) a spe.
cial dinner for him. His girlfriend (to promise) to
come, but she (not to be) there. He to try) to phone,
but he couldn't get through. He (to be) really upset.
Only she (not to wish) him a Happy Birthday.
