Time ________ heal a broken heart. After five years, Steve seems to have got over the sorrow of losing his son.

We _______the letter yesterday, but it didn”t arrive.

The public transportation is very convenient in that big city, so there ________ be any difficulty in traveling around.

—     you play the piano at this time of the day ? I need a good rest for tomorrow’s test. — Sorry.  

I ______ the poor rabbit, but I didn’t have the right drugs with me at that moment.