The manager said to the employees at the meeting that everyone must___their attention to efficiency
Rather than _______on a crowded bus, he always prefers _______a bicycle.
Mr. White, with his family, _______Taiwan by plane which_______ at 8:30 next morning according to the timetable.
Preparing the final test paper _______ his whole afternoon.
He promised to come but he didn’t _______until the meeting came to an end, which made me angry.
This book_______ 10 units , _______ two revision units.