Нужно выбрать какое слово подходит . 1. everything (writing, written) here is quite right. 2. the exercises (doing, done) by the pupils were easy 3. we listened to the girls (singing, sung) russian folk songs. 4. we could not see the sun (covering, covered) by dark clouds 5. when we came nearer, we saw two boys (coming, come) towards us.