Task 1. use or article.1. … pacific ocean is … biggest ocean in … world. 2. … d.defoe was … famous english writer of … 18th century. 3. … browns moved abroad two years ago. 4. my uncle is … lawyer. 5. … volga is … longest river in russia. 1. they ……. it today. a) did b) do c) have done 2. listen! my sister ……. the piano. a) plays b) is playing c) play 3. he ……. the test yet. a) haven’t write b) hasn’t written c) didn’t write 4. ……. you ……. an apple pie tomorrow? a) will … cook b) did … cook c) do … cook 5. my friends ……. the zoological society three months ago. a) joined b) have joined c) will join