判断下列括号部分的词义,大侠来
1.The Red Army (covered)25000li on the Long March.
2.The mother (covered) the baby with a blanket.
3.How many pages have you (covered)
4.The dictionary (covers)50000 words
5.Does that price (cover) the cost of the spare parts?
6.A reporter (covered) the event last week.
7.He tried to (cover) his mistakes.