Answer:
A) _Was_ it a long trip?
b) _Did_ they book their tickets at a travel agency?
c) Were the tickets expensive?
Explanation:
The overall conversation is about a trip that has occurred so past tense verbs will be used.
It caused climate change, pollution, and it breaks down the earth's atmosphere.
Answer:
everybody will be happy, won't they?
diseases, stupid people???
old possessions?
Answer:
The colonisation of Australia had a devastating impact on Indigenous ... territory against other colonial powers, and establish a British base
Explanation: