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The desing of the new Apple product in top ___
secret
This plan isn’t working. We need to come _____ a better idea.
up with
I don’t think this kitchen appliance is ______ (useful) the previous one, is it?
as useful as
Out of all her presentations, this one is her _____ . (good / far)
best by far
I ____ (study) the report for hours before I finally found what I was looking for.
had been studying
The phone charger was plugged in but the phone ____ (not charge) . It is charging now.
wasn't charging / hadn't been charging
