The phrase "a last set of" is correct and usable in written English.
It can be used when referring to the final group or collection of items, tasks, or elements in a series.
Example: "Before we conclude the project, we need to review a last set of documents to ensure everything is in order."
Alternatives: "a final group of" or "the last collection of".
Just before 3 20 on Monday afternoon, Devin Nunes, the Republican head of the House Intelligence Committee, asked James Comey, the director of the Federal Bureau of Investigation, who was testifying before the committee on his agency's investigation into Russian interference in last year's Presidential election, a last set of questions.
But in a last set of debates, Mr. Budisa did better, appearing more relaxed.
National polls out on Monday, including some of the tracking polls that released a last set of results prior to suspending their polls, showed a tied race, on average.
The Discovery is carrying a last set of solar arrays for the space station and a replacement part for a water recycling system, needed to transform urine into drinkable water.
On Friday, in a last set of interviews, Mr. Sarkozy apologized again for mistakes of behavior and symbolism early in his term, attending flashy parties with rich friends and doing things some considered undignified, like swearing at hecklers and jogging in public.
One book instructs on how to layer bulbs at different depths, so that the crocus is replaced by the tulip, then the lily, the iris, the canna, and so on, with a last set of lilies to emerge in the fall.
Nadal, in stark contrast, let 23 of 26 chances to break go begging, and had to serve his way out of some tricky passages before wearing Djokovic down in a withering last set of extended, sometimes brilliant, rallies.
NEAR KENNEDY SPACE CENTER, Fla .— A train pulling the last set of space shuttle solid-fuel booster segments reached the Kennedy Space Center last Thursday — a day after the shuttle Atlantis completed its final planned mission — in a reminder that the program is nearing the end of the line.
Mailing letters, flushing a toilet, reading the last set of proofs — all have this sweetness of riddance.
More than a week after their last set of failed negotiations, the N.H.L. and the locked-out players union will return to the bargaining table Monday.
The troubled supermarket chain Tesco is starting to show early signs of a recovery, as the last set of retail data before the crucial Christmas period shows it has arrested the sharp fall in its sales.
