The children are (frighten) in the middle of the night when they heard strange noises in the house.
저는 are frightened라고 썼는데, 정답과 이유가 궁금해요.
The first fish appeared on the earth about 500 million years ago. Up to now, more than 20,000 kinds of fish (name)라고 하는데 were named가 맞나요?
Is the plane going to be late? No. It (expect) to be on time. 저는 is going to be expected라고 썼는데 틀렸어요. 설명 부탁드려요 ㅎㅎ