Themeeting_____nextweekwillbeofgreatimportance.
A、tobeheldA
谓语动词用了将来时态，所以选不定式作定语，表将来。
It_______methreeyearstodrawthebeautifulhorses.
Because of the bad weather, the sports meet had to be ________.
She has no hostility to us, _____can be judged from her eyes。
Water is composed _______ hydrogen and oxygen.
He blamed his poor performance_____jet lag.
