用所给单词的适当形式填空。 1.He________(make) a video yesterday. 2.He_________(become)blind in 1821. 3. --What is his name? --__________(he)name __________(be ) Louis Braille. 4. The teacher __________(draw ) letters in________(she)hand. 5. Helen Keller_____ (live)to _________(be)87.