【推荐1】Difficulties strengthen the mind, ______labor does the body.

A．as	B．whether
C．since	D．because

【推荐2】__ __ many Chinese women have received higher education, there are still obstacles that prevent them from enjoying the same opportunities for education and employment as men．

A．Whether

B．Because

C．When

D．Although

【推荐3】I’ll sleep with the window open        it’s really cold.

A．if

B．when

C．unless

D．because

【推荐1】_______________ you weren’t there, I left a message.

A．As	B．When
C．Though	D．For

【推荐2】How did you manage to get back home ________ you had your money stolen?

A．if

B．when

C．once

D．because

【推荐3】Last night, I was packing my bag and texting a message to my boss ________ I heard a cry for help from outside the office.

A．when

B．as

C．before

D．while

【推荐2】You shouldn’t accept a lift from a person ________ you don’t know him.

A．until

B．unless

C．if

D．whether

【推荐1】There is no way of knowing why one man has a good mood ____ another man, also optimistic, fails.

A．thus

B．and

C．but

D．while

【推荐3】________ the fact that there was great prejudice against women entering men’s profession then, she succeeded as a manager of a big company.

A．While

B．In spite of

C．Despite of

D．As