III. Rewrite the sentences below, using the present perfect.
11/ Listen to those people ! What language they (speak)……………….?
12/ Where you (come) …………………….from in Finland? -I (come) ………….from Helinki. But I (not live) ………there since I was ten years old.
13/ Look at the sky!. It (rain) ……………………………………….
14/ The olympic Games ( be)………… held once every four years.
15/ The first olympic games (take)……….. place in Greece in 776
16/ People (start)…………. to use computer about 50 years ago.
17/ What ‘s that noise? - The children (play)…………… tug of war.
18/ What ………. you (do)………….. last weekend? - I (cycle)……………… round the lake with my friends.. Then I (watch) ………..TV in the afternoon.