Заполните пробелы глаголами в форме времени. 1. mammoths (be) big animals like elephants. 2. mammoths (not live) 100 years ago. 3. mammoths (live) a long time ago. 4. some dinosaurs (fly) in the air and some (swim) in the sea. 5. mammoths (not eat) meat. they (eat) grass. 6. they (have) two large tusks about three metres long. 7. he (drink) some milk. he (not drink) any water. 8. she only (spend) 1 pound. she (not spend) 3 pounds. 9. i (see) some elephants. i (not see) any lions. 10. they (swim) in the sea, but (not swim) in the lake.