Help me, please) 1. I … all the farm equipment every morning. a) am checking b) check c) checks 2. They … highly specialized machines on their farm. a) use b) uses c) is using 3. We can’t work on the field now because it …. a) rain b) is raining c) rained 4. At last I …the drill. You can use it now. a) repair b) repaired c) have repaired 5. The field .... in two weeks. a) will harrow b) will be harrowed c) harrows 6. Cooling systems .... for all types of engines. a) used b) is used c) are used 7. Operation brakes for serious repairs .... to be planned for in advance. a) ought b) might c) should 8. We … use the lubricating oil for cooling the engine parts. a) has to b) should c) need 9. I … repair the engine without a service manual yesterday. a) couldn’t b) shouldn’t c) may not 10. Tractors will … be equipped with an oil filter. a) can b) have to c) must 11. The type of tractor … on the land depends on the type of work. a) having been used b) using c) used 12. The head end of the piston is fitted with smooth rings …. the gases to the combustion chamber. a) confining b)confined c) being confined 13. The power ... by the engine reaches the rear wheels. a) producing b) having produced c) produced 14. There are ... parts which cannot transmit their heat directly to the water jackets. a) moving b) moved c) having moved 15. ... the engine we prevent overheating of its parts. a) cooled b) cooling c) being cooled