With her eyesthe work attentively, she d

—How often do you phone your family?        

—________.          [ ]

A. sometime    

B. sometimes    

C. some time    

D. some times

抵押授信贷款的有效期限最长为( )年。

A．3

B．5

C．20

D．30

Tom is my uncle's son, so he is my ____________.

A. brother             B. sister             C. cousin

苏联《消息报》和《真理报》在杜鲁门主义提出后的第三天和第四天，就分别发表社论，指出这是“帝国主义扩张政策”。这是因为杜鲁门主义[ ]

A．表明了美国公开放弃同苏联合作，标志着“冷战”正式开始

B．表明美国要发动对苏联等社会主义国家的武装进攻

C．实质是马歇尔计划

D．标志着美苏两极格局最终形成

Bless your heart, I know you didn't break the vase ________. Don't cry!

A．on purpose

B．by accident

C．on business

D．by mistake