1.has been
2.large
5.was)))))
26The boy told his friends that it had been my best holiday ever/ 27-Sue and Jack told me that they havent taken many photos during our trip/28/ Mary said to her husband that he had to call to the hotel to confirm our reservation/29/ They said that they have been meeting some friends at the airport/
must - должен, обязательно.Это более устойчивая форма есть ещё have to -должен, необязательно, следует--это как-бы не совсем принудительно,may - можно.Вот пример↓
I must<span> go. – Я </span>должен идти. и You have to open first file.
Удачи!!!вам в английском.
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