问题

24I was spending my holidays at the time, so I have no idea how it________

A:was happening
B:happened
C:happens
D:has happened

正确答案是：

同类题型

r these interruptions, themeeting half an hour ago.

The popularity of potatobased foods has ________ in fast food restaurants in the two decades.[ ]

Pay you weekly or monthly— . Either is OK.

My English teacher is very strict us.

How is it going —__________.