The use of can, have to and must to talk about obligations.
|
01
343.75 KB |
|
02
222.13 KB |
|
03
312.26 KB |
|
03
1.31 MB |
|
04
281.66 KB |
|
05 (1)
244.91 KB |
USD
EUR
GBP
CAD
TRY
JPY
CNY
