17. Поставьте правильную форму глагола
1) Pete (to pack) his suitcase now. He (to leave) for Moscow tonight.
2) He is a night watchman. He (to work) at night and (to sleep) in the daytime. It is now noon and he (to sleep).
3) I (to read) this book several times. I first (to read) it three years ago.
4) I often (to read) detective stories. I (to read) a very interesting one now.
5) I can't go out because I (not to finish) my work. I (to join) you as soon as I (to finish) my work.