EX12- Complete the sentences with the correct form of the verbs in brackets.
1. How much fruit ……….that farmer (produce)....................every year?
2. We (waste) ............................ too much power at the moment.
3. He (buy) ............................ a new house next month ?
4. The Nile River is the longest river in the world and it (flow) …………..... to the Mediterranean Sea.
5. Mr. and Mrs. Thinh ( not grow ) ................................... vegetables in their garden.