问题

Frank is working late again. This is the first time this week he’s had to study late,_____? [ ]

A: isn't he
B: hasn't it
C: hasn't he
D: isn't it

正确答案是：

同类题型

Will’s already back from the charity walk, _________he–– __________. Now he’s taking a rest in the next room.

下列各句中，加横线的成语使用恰当的一项是（3分）（）

But for the help of my English teacher, I the first prize in the English Writing Competition.[ ]

Don’t blame them any more—this is _____ because theyare still young and lack experience.

was reported in the localpaper, since the carrying out of the performance salary, efficiency in work has______doubled.