Условие:
Перепишите предложения, вставив модальные глаголы, выберите
правильный ответ из трех предложенных вариантов, выделив его жирным
шрифтом:
1) We ………….. with a really important issue.
a) must to deal b) must be dealt c) must deal
2) I …………… a way of solving the equation.
a) must not find b) could not found c) could not find
3) Car manufacturers …………… vehicles which are more environmentally friendly.
a) ought produce b) ought to be produced c) ought to produce
4) The extracted triglycerides …………… hydrolysis to yield fatty acids and glycerol.
a) may undergo b) may to undergo c) may be undergone