Without thinking, he ran out, ________ at a stranger to call the fire police.
It isn't cold enough for there _____ a frost tonight, so I can leave Lim's bike out safely.
Johanna waited at the bus stop for nearly an hour ___ the bus finally arrived.
No bread eaten by man is so sweet as _____ earned by his own labor.
Elizabeth has already been admitted to Beijing University her wildest dreams.
Because he works in a remote area, he visits his parents only ______.