We are writing school assignment __________ black ink.
Explanation
Explanation
We are writing school assignments in black ink. ہم کالی سیاہی سے اسکول کی تفویض لکھ رہے ہیں۔ When we use ( pen) to write, we use ( ink) instead of (pen). Then we have to use the preposition ( in ) but not ( with)
