Помогите по модальным глаголам!
1 Last year our farm... buy new machines.
a) should b) may c) can d) had to
2 Tractors will … be equipped with an oil filter.
a) can b) have to c) must d) may
3 The soil for planting potatoes ... be manured very thoroughly.
a) should b) have c) ought d) are able
4 Maintenance operations … to be carried out on a continuous
basis.
a) have b) must c) should
5) It is important to manage machine properly. You.... plan the use
of machinery.
a) should b) may c) ought d) can
6) You will … get a high yield of crops in a few months.
a) can b) have c) be able to d) ought to
7) The effects of friction ...... be serious.
a) should b) can c) have to
Задание 2 Вставьте must, may, might, can or be able to
вправильнойформе.
1 The tractor is designed to ... to do the basic cultivation of land.
2 Tractor engines.... be started by hand.
3 Combines.... have taken the harvesting job away from tractors,
but tractors still do
the majority of work on a modern farm.
4 Moisture ....be produced within an engine due to condensation.
5 As you … remember, we added the soil some organic fertilizers.
6 Our tractor driver .....operate tractors of all types.