The plane leaves at 9:00 p.m. So I have to be at the airport __8:00 p.m. at the latest.
We plan to have a special party the evening of January 28th, 2011.
He worked late ______ eleven o’clock yesterday.
The rich man always provides the poor girl _______ food and money.
—Where is North Korea? —It lies ______ the northeast of China.
There are some trees _____ our classroom.