"I think he should be great in the tournament because he loves to play in the Dutch squad," said Van Gaal, whose side kick off the tournament against champions Spain.
"The football from Man Utd now is for him maybe difficult but then he wishes to show his techniques. Techniques in the Dutch team for him is higher.
"He has shown that all the qualification matches more than ever because he’s our top scorer and I hope he can continue this."
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