Complete the following sentence with a (compound) word derived from the one(s) given in bracket.
One of the tyres of the truck exploded because of （ ）．(over, load)
【正确答案】：OVERLOAD
【题目解析】：
根据前文，because of可知，空格处应该填名词形式，over超过，load装载，可合成overload过重的负担。句意：卡车的一个轮胎因超载而爆炸。