______ surprised the hostess most is _______ one of her friends left the party without saying a word.
----I have never heard it _____ before. And you ? ----The same as you.
In the dark street, there wasn’t a single person _____ she could turn for help.
She was more headstrong than ______.
The car ______ at the present speed until it reaches the foot of the mountain at about ten o’clock tonight.
Though ______, many laws of nature exist.