GRAMMAR AND VOCABULARY1. Choose the correct answer.Past Simple, Past Continuous,Present Perfect and Perfect Continuous1. Dinosaursfrom Earth many years ago.a) have disappearedb) disappearedc) disappear2.he talked to Mr. Tibbs yet?a) Isb) Didc) Has3. Iall about your accident on the radio at 3 o'clock yesterday.a) heardb) was hearingc) had heard4. Nickvolleyball four times so far this week.a) has playedb) playsc) will play82