--- Bob, you are absent-minded! --- Oh, I’m sorry I _______ attention to you, Miss Shute.
______ well, you need to have a good sense of balance.
I ________ be a little bit slow, but at least I don’t make stupid mistakes.
The two runners are neck and neck; _______ of them could win the race.
I usually have ________ hamburger while waiting for ________7: 00 school bus.
My calculations werebasedonthe __________ thathouse prices would remain steady.