—Hi, Susan, you look tired.—I for months for the coming celebration of our school’s 90th anniversary.
_________you have a rich knowledge of Chinese history, try acting as a guide for these foreign visitors.
The school ______ my sister studies at is far from here.
You will succeed in the end _____________ you give up halfway.
I couldn’t do my homework with all that noise ___________ outside.
—Start out right away, ______________ you’ll miss the last train. —Don’t worry, but have you seen my ticket?