Fill in the Blanks COUNTABLE AND UNCOUNTABLE Online version PRACTISE – EXERCISE by Arisa Mizuno 1 Complete the sentences using " is " or " are " . 1 . Olives from the coast of Peru . 2 . Maca in season from May to August . 3 . Sweet potatoes in season from January to December . 4 . Sweet peppers red , yellow , orange and green . 5 . Sacha Inchi bright yellow . 6 . Yuccas super roots .