The phrase "add a slew of" is correct and usable in written English.
It can be used when you want to indicate that you are including a large number of items or elements in a particular context.
Example: "The new software update will add a slew of features that enhance user experience."
Alternatives: "add a variety of" or "include a multitude of".
Add a slew of injuries and the possibility that safety Antrel Rolle might shift to cornerback more regularly, and the Giants' ability — or lack thereof — to contain the big play will be critical.
In September it failed to pass, first time round, the Troubled Asset Relief Programme, which gave the Treasury wide authority to intervene in distressed financial markets; the Democrats had to add a slew of sweeteners to muster enough votes the second time.
Add a slew of bit parts unerringly pitched and played by the likes of Martin Short Doctor Franfff), Maya Rudolph (Dionne Warwick, who ultimately remained uneaten by Titus as they drifted across the open sea after a shipwreck) and Amy Sedaris as desperate socialite Mimi Kanasis ("I smell a man!") and every episode was a selection box of delights.
Take-Two would add a slew of edgier brands to EA's lineup, including its "Grand Theft Auto" series of crime-themed adventures.
Add a slew of new smartphone owners (who got their new gadgets for Christmas) to that list and December and January are likely pretty important months for Duolingo.
It's time to fill up that new Square office, and it looks like the company is looking to add a slew of new engineer-types.
The National Gallery is adding a slew of material for its presentation, which is on view from Oct. 8-Jan.
The senior palace official said that the president began keeping the list several years ago to catalogue what were seen as suspicious incidents that might involve the U.S. government and that he added a slew of new ones over the past year.
Torre's book explains that Rodriguez is a crucial example of why the Yanks have fallen from their dynastic high to a team that's struggled to get out of the division series, despite adding a slew of high-priced players.
The Kings and I -- and Michael Biagi, who is conducting a 16-piece orchestra onstage -- are adding a slew of new numbers and dance routines to our repertoire, the ones we've been dreaming about in airports around the planet, while we toured together.
The Oxford Dictionaries Online is adding a slew of words, from bitcoin to twerk.
