【单选题】
He was frightened by ____of lightning.
【单选题】
_______ he knew it was just a joke, _______Peter looked frightened.
【单选题】
Although she was frightened, she answered with a ____ voice.
【单选题】
There is a real possibility that these animals could be frightened, ______ a sudden loud noise.
【单选题】
The thunderbolt frightened the sleeping baby. Here thunderbolt takes [] meaning.
【单选题】
When I saw the cars crash on the road,a frightened feeling ________ through my mind.
【单选题】
It was not until he arrived in class _____ realized he had forgotten his book.
【单选题】
He is unfair, _____ he?
【单选题】
How can he ____if he is not ____?
④
be hearing--listened to
【单选题】
How can he ______ if he is not ______ ?
④
be hearing; listened to