[填空题]Blanc is the tallest boy in his class.
→Blanc is ______ than ______ in his class.

A little boy invited his mother to attend his school’s first teacher-parent meeting. To the little boy’s (21) , she said she would go. This would be the first time that his classmates and teacher (22) his mother and he felt (23) of her appearance. Although she was a beautiful woman, there was a severe scar(疤痕) that (24) nearly the entire right side of her face. The boy never wanted to talk about why or how she got the scar. At the meeting, the people were (25) by the kindness and natural beauty of his mother in spite of the scar, but the little boy was still embarrassed(尴尬) and (26) himself from everyone. He did, however, get within (27) of a conversation between his mother and his teacher. The teacher asked (28) ," How did you get the scar on your face" The mother replied," (29) my son was a baby, he was in a room that caught fire. Everyone was too afraid to go in because the fire was out o
A. As
B. When
C. Since
D. While