---Could we finish the project according to the schedule?---I doubt that. The problem remains ______ we can get financial aid within this week.
The beautiful sunset our attention,and we stopped to watch it.
We're still at the airport. If it weren’t for the delayed flight, we _____the concert right now.
It never occurred to humans until the mid-l990s some animals can be cloned.
—Will the match be cancelled because of the bad weather?—No. Rain or shine,the match will be held as .
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