问题
How is that, Mary?— I wonder ________ it takes to be a good teacher beyond patience and a great knowledge of kids. [ ]
A: how is it that
B: what it is that
C: how it is that
D: what is it that
B: what it is that
C: how it is that
D: what is it that
正确答案是：
同类题型
Well, we have been waiting here＿＿＿＿＿for the guest.
Amy and Frank went to the concert, but ______ of them enjoyed the performance.
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Progress _____ so far very good and we are sure that the work will be finished on time
What do you think made Mary so upset?——– _________her new bicycle.