Раскройте скобки, употребляя глаголы в Present Simple, Present Continuous, Present Perfect, Past Simple, Past Continuous, или Future Simple: 1)You (to book) the tickets?-Yes, I...I (to book) them several days ago. 2) Look! Somebody (to climb) a tree. 3) When I (to enter) the kitchen, my mother (to cut) some cabbage. 4) He (to go) to the library twice a week. 5) When you usually (to go) to school?