单项选择题
The country is()known deposits of coal and iron.
A.short ofB.missingC.lack inD.charging
单项选择题 I want to talk over the report with you()sending it to Mr.Smith.
单项选择题 And()she could speak again I began to talk.
单项选择题 关于web安全及其威胁防护技术的描述,不正确的是()。