1) They were Norsemen of Scandinavia who in their ships braved Arctic seas to make their way to Greenland in 985 AD.
to make -- an adverbial modifier of purpose обстоятельство цели
2) Their method of reading was to read one line from left to right, then to come back and to read the next from right to left.
to read, to come back, to read – part of a predicate (predicative) именная часть сказуемого
3) To preserve the traditions under these circumstances was very difficult and they were not preserved.
to preserve -- subject подлежащее
4) The right to organize a guild was granted to the first towns by the owner of the land who might be the king, abbot or some other powerful lord.
to organize -- attribute определение
be – part of a compound verbal modal predicate часть составного глагольного модального сказуемого
A:
married
liked
tried
baked
stopped
mixed
planned
repeated
worried
decided
travelled
B:
2. didn't order
3. phoned
4. played
C:
2. Did your friends play football yesterday? Yes, they did. / No, they didn't.
3. Did your mum bake a cake last weekend? Yes, she did. / No, she didn't.
4. Did you phone your friend an hour ago? Yes, I did. / No, I didn't.
D:
2. drank
3. rode
4. gave
5. thought
6. had
7. went
8. woke
9. bought
E:
2. Did Jenny wear a skirt to the party? No, she didn't. She wore jeans.
3. Did cowboys drive cars in the 1880s? No, they didn't. They rode horses.
4. Did the teacher speak Greek in the lesson? No, she didn't. She spoke English.