问题

day I was walking downstairs when I missed myfoot and had a bad fall, nothing serious, ______

A:shouldn't follow
B:mustn't follow
C:couldn't have been following
D:shouldn't have been following

正确答案是：

同类题型

I _______ to learn to play the piano ever since then.

In front of these houses a river, which is not wide or deep but very clean.

There is a new shop near my home, but I haven’t been there .

有关别里科夫的形象，下列概括有误的是（）

Hi, Mark How was the musical evening? —– Excellent! Ales and Andy performed _________ and they won the firs prize