来自龚海军的问题
howmanypeoplethey_____see.A.canB.could
howmanypeoplethey_____see.A.canB.could
1回答
2020-12-20 10:56
howmanypeoplethey_____see.A.canB.could
howmanypeoplethey_____see.A.canB.could
选Acan,could是can的过去时.