问题

You may find the key to the maths problem on page 107.— Ah, it’s so simpleI wonder why I _____ of that[ ]
A: hadn't thought
B: haven't thought
C: didn't think
D: wasn't thinking
B: haven't thought
C: didn't think
D: wasn't thinking
正确答案是:
同类题型
Why can she keep such a good figure–She ________ great importance to regular exercise
The new group of students is better-behaved than the other group who stayed here __________.
I’d like to go _________bike. I can see plants and trees __________ my way.
The young man _____ in studying paid no attention to the outside world[ ]