Present perfect or past semple ? 1. he never (fly) by plane. 2. we always (take) little luggage when we travelled. 3.mary (not buy) a ticket yet. 4. you (find) all the books in the libray? 5. you (understand) everything? 6. look! bobby (fall) down. 7. the cake is very tasty.who (make) it? 8. what a nice bird-hous! mike (make) it himself?

1. He has never flown by plane.                                                                                   2. We always took little luggage when we travelled.                                                       3.Mary has not bought a ticket yet.                                                                             4. Did you find all the books in the libray?                                                                     5. Did you understand everything?                                                                               6. Look! Bobbyhas fallen down.                                                                                   7. The cake is very tasty. Who made it?                                                                       8. What a nice bird-house!  Mike