Not in the mood for talking, he kept his friends _______.
Teenagers are often compared ___ the rising sun.
The schoolmaster hesitated ___ an instnat before he made the decision.
___ his brother’s permission, the younger nobleman took the poor girl away.
Oh, it's you!Your voice sounds quite different ___ the phone.
According to the Ministry of Health, by May 1, 2003, the total SARS deaths on the Chinese mainland _____to 170.