问题
______ he managed to solve the problem?—Oh，he turned to Professor Lee for advice.[ ]
A:Was it how that
B:Was it that how
C:How was it that
D:How it was that
B:Was it that how
C:How was it that
D:How it was that
正确答案是：
同类题型
Mum, I have finished my homework. —- Oh, If you _____ not to disturb me , you can watch TV.
In a chemical change, energy cannot be created ,____.
The girl _____ a smile on her face is always kind_____ others.
She devoted herself ________to her research and it earned her a good reputation in her field[ ]