题目内容
Sometimes he found _______very hard to fall asleep at night, so he went to see the doctor.
| A.him | B.this | C.that | D.it |
D
考查it做形式宾语,find it+adj+to do,to do是真正的宾语,it是形式宾语,句意:有时,他发现晚上很难入睡,因此去看医生。选D。
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| A.him | B.this | C.that | D.it |