Improve the bracketed part of the sentence.
The duo’s network was (made to learn identify) true signals using previously vetted signals; they then studied the weaker signals.
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The (needs) of the hour was to reform the entire banking system.
Improve the bracketed part of the sentence
Before I met your brother I (have had) a poor opinion of him.
Happy is the man (who acquired) the habit of reading when he is young
You and I must understand (one another), and that too without delay.
I couldn't help but (had to cry) at his sad story.
The Centre can’t afford to procrastinate any further (at) framing rules to regulate the trading and use of bitcoin and other virtual currencies.
Look at this video clip in which (I, my friend and you) are enjoying a boat ride.