The 20 year old was on target for the England under-21 side during their win on Friday against Ukraine before Gareth Southgate announced his inclusion in the Three Lions squad. "The senior players are very open, very welcoming".
"So it's a different challenge for us, as you'd expect we are playing the best team in the world who have annihilated everyone in the South American qualification which is the hardest way to the finals".
'Those (three new) guys have fitted in off the field no problem which helps them to fit in on the field - and they're good players, so in training they look fine. "They've got good pedigree, and we won't hesitate to put them on the pitch".
Pakistan spinner Saeed Ajmal calls it quits from all forms of cricket
However, he was more effective in the limited-overs, taking 184 wickets at 22.7 in ODIs and 85 wickets at 17.8 in T20Is. Ajmal represented Pakistan in 35 Tests, bagging 178 wickets at a strike rate of 65.1 and an average of 28.10.
England finished top of their own group in the European section, and Southgate says he could name a squad as soon as tomorrow for football's showpiece tournament.
The Three Lions played out a goalless draw against Die Mannschaft on Friday and continue their preparations for the 2018 World Cup with another friendly worldwide against the Samba Kings tonight.
"You had four or five FA Cup games that went to replays instead of going to shootouts, so we were used to having hundreds of matches on boggy pitches but we weren't used to being under that pressure. But clearly that (match situation) is an option". One of the most frustrating aspects of England's play in recent times has been the consistent sideways passing of the side as they try to play the Dutch, Spanish or Italian way - and fail.
"It's something that we are considering how we prepare best for penalty shoot-outs", he said.