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You must learn to consult your feelings and your reason________you reach any decision.????????????? ????????????? ????????????? ????????????? ????????????? ????????????? ????????????? ????????????? ????????????? ????????????? ????????????? ????????????? (2013·湖南，23)

A．although? B．before

C．because D．unless

Mark needs to learn Chinese________his company is opening a branch in Beijing.

(2013·山東，26)

A．unless? B．until

C．although? D．since

She says that she’ll have to close the shop ________ business improves.(2013·江西，28)

A．if? B．unless

C．after? D．when

I was glad to meet Jenny again，________ I didn’t want to spend all day with her.

(2013·大綱全國，23)

A．but? B．and

C．so? D．or

Don’t turn off the computer before closing all programs，________ you could have problems.????????????? ????????????? ????????????? ????????????? ????????????? ????????????? ????????????? ????????????? ????????????? ????????????? (2013·北京，22)

A．or? B．and

C．but? D．so

It’s not easy to change habits，________ with awareness and self?control，it is possible.????????????? ????????????? ????????????? ????????????? ????????????? ????????????? ????????????? ????????????? ????????????? ????????????? (2013·重慶，23)

A．for? B．or

C．but? D．so

I don’t believe we’ve met before，________I must say you do look familiar.

(2012·新課標(biāo)全國，25)

A．therefore? B．although

C．since? D．unless

He smiled politely ________ Mary apologized for her drunken friends.(2012·山東，27)

A．as? B．if

C．unless? D．though

Everything was placed exactly________he wanted it for the graduation ceremony.

(2012·天津，14)

A．while? B．when

C．where? D．though

________hard you try，it is difficult to lose weight without cutting down the amount you eat.????????????? ????????????? ????????????? ????????????? ????????????? ????????????? ????????????? ????????????? ????????????? ????????????? ????????????? (2012·湖南，32)

A．However? B．Whatever

C．Whichever? D．Whenever