Odpowiedź :
1. Couldn't open the file.
2. Don't have to download this program.
3. may use my tablet.
4. mustn't eat or drink in the computer lab.
5. Would you help me print the document?
1. Couldn't open the file.
2. Don't have to download this program.
3. may use my tablet.
4. mustn't eat or drink in the computer lab.
5. Would you help me print the document?