Answer:
The plague and the Great Fire of 1666 were still in living memory.
<em>
The "were" should be "was."</em>
When it first opened London is a very different place.
<em>The "is" should be "was."</em>
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I could only find two, sorry.
Explanation:
Instead of its it should be his
Mike played on his tablet until dinner time
C is the correct answer because they feel wxciting when see the oasis