Hello, may I speak to your father, please—Sorry, my father ______ to London. He went there this morning.

下列文学常识解说错误的一项是（ ）

The book is well worth ______. Everyone ______ buy one and read it.

Soon, his warm, inviting smile put me _____, and we spent the next two hours talking casually[ ]

Schools across China are expected to hire 50,000 college graduates this year as short-term teachers, almostthree times the number hired last year, _____reduce unemployment pressures. [ ]