I don't think the experiment is ___ failure, because it has provided us with ___valuable experience for our future tests.
Nobody believed a 92-year-old man could run a marathon_______he passed the finishing line. People of all ages can challenge themselves.
---Can you tell me _______? ---With Lucy’s help.
--_______do you eat fast food? --Twice a week.
I didn’t hear you because I __________ the news on the radio.
---Is ____ready for the party? ---Not yet. The desk hasn't been set.