SINGAPORE (Reuters) - Oil prices on Monday hit their highest levels since November last year, lifted by OPEC-led supply cuts, U.S. sanctions on Iran and Venezuela, and hopes that the Sino-U.S. trade dispute may soon end.International Brent crude futures were at $66.66 per barrel at 0746 GMT, up 41 cents, or 0.6 percent, from their last close. Brent earlier climbed to its highest since November 2018 at $66.78 a barrel.U.S. West Texas Intermediate (WTI) crude oil futures were at $56.07 per barrel,..