Question

Do you think the problem is()?if you think hard,you'll find it()to work it out

a hard,easy b easy,hard c hard,easily d difficult easily

Answer 1

选 A
find it 加形容词。排除C,D。根据意思，选A
用法：it +adj. to do sth.可以看作是动词find的宾语。
最后，我们发现在半个小时内完成这些工作是不可能的。
Finally, we found it impossible to finish the work in half an hour.

Answer 2

A

Answer 3

A

Answer 4

d

Answer 5

c