The of the killer is still unknown, which is why the citizens here are rather worried.

I’m leaving for Canada on a study trip next week.—________.

The Mekong River, which________ severalcountries in Southeast Asia, ______to be playing a significant role in the region.

Jerry did not regret giving the comment but felt ________ he could have expressed it differently.

A: Can you give me ___________ on what to wear to the party, TomB: I think the white dress is OK.