I’ll never forget such an attractive city ___ I spent many happy hours there with my classmates last summer holidays.
---Have you seen Jane this week?---No, but I ________ her call on my way to work this morning.
______ 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.