1. 。
He has been teaching for 20 years.
2. でしょう。
It may safely be said that he is the greatest pianist in the twentieth century.
3. 。
He earns twenty dollars a day.
4. 。
The repairs will cost at least 20 pounds.
5. 。
We have kept in constant touch for twenty years.
6. 、、、、、、、、、、。
Ten, eleven, twelve, thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen, twenty.
7. 。
He's been teaching for 20 years.
8. きごう「、とむトムきごう」きごう「めありいメアリーきごう？きごう」きごう「きごう」きごう「きごう？きごう」きごう「きごう」
"Hey, Tom" "Mary?" "It is a really beautiful love" "similar to what?" "Like a regular icosahedron"
Lingaku