题目内容：
The power failure made ________ difficult for us to complete the task on time.
[ ]
A. thatB. it
C. one
D. this
参考答案：
单选题：The power failure made ________ difficult for us to complete..
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B. it
C. one
D. this
B. it
C. one
D. this
—Will the Smiths go abroad this autumn?—No, they finally de..
—Will the Smiths go abroad this autumn?—No, they finally decided________.[ ]A. to B. not toC. not going D. not to have gone
— What's the matter with Jenny?— She didn't pass the driv..
— What's the matter with Jenny?— She didn't pass the driving test but she still ________.[ ]A. hopes soB. hopes toC. hopes itD. hopes that
He didn’t make _____ clear when and where the meeting would..
He didn’t make _____ clear when and where the meeting would be held.[ ]A. thisB. thatC. itD. these
The two girls are so alike that strangers find _____ difficu..
The two girls are so alike that strangers find _____ difficult to tell one from the other. [ ]A. it B. them C. her D. that
________ occurred to me that the murder happened ________ a ..
________ occurred to me that the murder happened ________ a rainy day. [ ]A. What; inB. What; onC. It; inD. It; on