— I didn’t see you at the meeting yesterday. Why?— I _____ for an important telephone call at that moment.
It is _____ unlucky day today. I’ve lost _____ useful pen.
Can you help me? I have trouble _____ the story in English.
--- Grandpa, this morning you were watching _____ alarm again. Why? --- Because it has _____ meaning to me, my dear grandson.
---Drinking too much cola is bad for our health. --- Yes, I _____ you.
It is _____ to feel tired after such a long trip.