第1个回答 推荐于2016-05-24
和汉语一样表达,翻译过来就好了,如:
问:What are you doing?
答:I'm in the shopping。
第2个回答 2015-11-05
somebody do something at somewhere in sometime.某人做某事在何地何时。例如:Jack / likes enjoying the sunshine /at the beach/ at the weekend.
第3个回答 2015-05-13
例如,你可以写: I am going to school at seven-thirty.