16)sorry. come with me. i must go alone. a)can b)must c)can't 17.)there people at the concert. a)much b)a lot of c)any 18)there's milk in the fridge.can you go and buy some? a)little b)some c)much 19) your holiday? a )was b)were c)wasn't 20.)she baked of bread this morning. a)piece b)loaf c)slice