1 foreign 2 interested 3 extremly, tour 4 used 5 hard 6 computer, easier, important, properly
3) boat - лодка
4) fish - рыба
5) hat - шляпа
6) laughed - смеялись
7) dive - нырнул
Many books to be published
You to graduate
Radium to be
This device to have been designed
5 His invention to be
6 The sun to represent
7 The new rocket to go
8 This type of rocket to have
9 the atom to be
10 The helium atom to have
11 I to say
12 He to be
13 He to be
I can play football
I should take this medicine
Children have to do what they are told
You may take...
We should...
I must...
He may (но это не точно)
Can I come in?
Can I help you?
You should...
A fish can...can't...
...But I have to...
...His sister must...
Я не уверен на счет 8 и 15, а вообще в большинство пропусков можно подставлять разные варианты, ибо это по большей части зависит от контекста
В таком порядке будут стоять слова
1thank you - спасибо
2Good morning - доброе утро
3Help yourself - угощайся
4you are welcome - пожалуйста