【C5】A．necessaryB．acceptableC．importantD．vital

The book you ordered is not.A、availableB、acceptableC、accessible

【C11】______A．necessaryB．ableC．no goodD．beat

【C17】A．significantB．vitalC．importantD．importance

【C6】A．closeB．acceptableC．openD．fit

According to the man, ______for the applicant.A．mastering a foreign language is necessaryB

【C8】A．approvedB．acceptableC．favoredD．tangible