Chia động từ trong ngoặc: The olympic Games (be)………… held once every four years

1.The olympic Games ( be)……are…… held once every four years.

2.The first olympic games (take)……took….. place in Greece in 776

3.People (start)……started……. to use computer about 50 years ago.

4.What ‘s that noise?

- The children (play)……are playing……… tug of war.

5.What …did……. you (do)……do…….. last weekend?

- I (cycle)………cycled……… round the lake with my friends.. Then I (watch) ……watched…..TV in the afternoon.