CHOOSE THE BEST ANSWER FOR EACH OF THE FOLLWING QUESTIONS:(25%) Contracts must renewed one week _____their expiration.

题库:外贸英语 类型:最佳选择题 时间:2019-11-16 15:43:11 免费下载:《模拟试题一》Word试卷

CHOOSE THE BEST ANSWER FOR EACH OF THE FOLLWING QUESTIONS:(25%) Contracts must renewed one week _____their expiration.
A.on
B.against
C.the monment of
D.before

本题关键词:白兰氏虫草菌丝体鸡精(BRAND′S ESSENCE OF CHICKEN WITH COEDYCEPS),乙型肝炎病毒核心抗体诊断试剂盒(酶联免疫法)Diagnostic Kit for Antibody to Hepatitis B Core Antigen(ELISA);