—What's the matter with you?You look so pale.— I didn't get to sl_英语解答

—What's the matter with you?You look so pale.— I didn't get to sleep last night.I for my maths
—What's the matter with you?You look so pale.— I didn't get to sleep last night.I ______for my maths test all night.
A)study B)studied C)have studied D)had studied

人气：491 ℃　时间：2019-10-24 10:35:18

解答

B 由于讲述过去的事情,故排除A和C（都表示现在）；had studied用于过去的过去,而本句中并没有一个过去的动作与study作比较,故用一般过去时.