6. fill in can / can't/ could/ couldn't. 1) you don’t need to shout. i hear you perfectly well. 2) go to safari because the trip was too expensive. 3) he eats in restaurants because he cook. 4) i had an aisle seat on the plane, so i the landscape below. 5) when we used to live in china, speak some chinese, but now say a word. 6) you play the piano at the age of six? 7) speak english so fast that him (now). 8) i’m afraid, nickolas to you now. he has to arrive at school in time. 9) a good mark in literature because i didn’t know the theme. 10) my friend the whole story because i had read it.