1. Last night, I _____ (lose) my keys. I _____ (have to) call my flatmate to let me in.A. lose / have to B. have lost / had toC. lost / had to2. I haven’t been to a party ___________.A. for ages B. for ages ago C. two years ago 3. The police _________ (arrest) three people, but later they let them go.A. arrest B. arrested C. have arrested 4. Mozart ______ (be) a composer. He ______ (write) more than 600 pieces of music.A. was / wrote B. was / has written C. has been / wrote 5. _____ you _____ (see) Anna this morning? (it is still morning)A. Have / saw B. Did / seeC. Have / seen