_______flying is more expensive than land and sea travel, I went there by air to save time.
—When shall we start? —Let's _____ the time for the trip. What about 8:30? Is that all right?
I’m so busy today that I can’t __________ the house.
I met my old friend ____________ on my way home from school.
___________ she will go or not doesn’t matter much.
The reason __________ she gave for not finishing the homework is that she was ill.