3. Complete the text with affirmative and negative forms of can and could.
(Hoàn thành văn bản với các dạng khẳng định và phủ định của can và could.)
William Sidis
Supergenius
Most people can’t read until they’re six and they (1) …………. usually speak one, two or maybe three languages as children. William Sidis was born in 1898, and when he was eighteen months old, he (2) …………. read. Before he was eight he wrote four books and (3) …………. speak eight languages. William was a genius with a very high IQ, but in the end he lived a lonely life. He went to university at eleven, but he (4) …………. make friends and was very unhappy. William died in 1944. Prodigies (5) …………. do special or amazing things, but they (6) …………. always find a place in society. Life is sometimes dificult when you’re different.
1. can
2. could
3. could
4. couldn’t
5. can
6. can’t