When I got there, some people.
A. arrived
B. had arrived
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Look at the clouds. It .
A. is going torain
B. will rain soon
When youin Shenzhen, I will show you around this city.
A. arrive
B. will arrive
By the time you get back, Ithe house.
A. have painted
B. will have painted
They promised theythe project by the end of this week.
A. would have finished
B. will have finished