第1题: [单项选择]Advertising's primary objective is to presell a product, that is, to convince consumers to purchase an item before they are actually see and inspect it.
参考答案:D 答案解析:答案:D 多余了are, 删除就可以。
分析:。考查句子完整性。They指代consumers, before是句子连词,后面应该是个完整句子。如果有are, 应该是被动语态,但是see明显不是被动