黄星的专栏

There is / There are结构：There is + 单数名词 和There are + 复数名词用于描述现在。 例如：There is a large sink in the kitchen.There is a closet next to the door.There are three bedrooms in the house.There are four cha

表示必需或者义务做某事

提出选择 使用类似这些表达，告诉他人有多少种选择。 There are several options. 有几种选择。You have four options. 你有四种选择。 使用 can 和 could 给予建议。 You can take the shuttle. 你可以乘坐机场大巴。You could take a taxi. 你可以乘坐出租车。使用类似这些表达，在众多选择中给出最佳方案