__ was my head teacher, Miss Liu, that read several inspiring stories to encourage me to go on.

Only when Lily walked into the office ______ that she had left the contract at home.

Though Jenny is the only child in the big family, she is never _______ about what to eat or what to wear.[ ]

Excuse me. Do you know _____________—Yes. He came here yesterday.

e of air pollution being greatlyreduced, this city is still ______