(2013·厦门第一次质量检查)You had better book rooms at the hotel in advance ________ you should find no room on your arrival.

(2013·济南一模)________ you are unable to deal with it, perhaps we should ask someone else for help.

(2013·青岛一模)You seem to have a ready­made answer ________ I ask you a question.

(2013·日照一模)—What has made John look like lacking sleep?
—________ he had to prepare for the coming exam and stayed up last night.

(2013·四川省巴蜀名校一模)Everyone is different and that is ________ makes our world much better.

(2013·河北高三教学质量检测)Many people tried to leave the country, ________ there was much violence and a serious shortage of food supply.

(2013·江西十所重点中学二模)The businessman wears a suit and a tie with a beard ________ the season.

(2013·四川省重点中学二模)________ Sandy's damage is unlikely to last long, it would apparently hurt the total economic output of the fourth quarter.

(2013·江西两所名校二模)The progress of the work will depend on what the weather conditions are and ________ modern the equipment is.

(2013·银川高三二模)It remains to be seen ________ this plan is practical enough to keep the project going.