We want to rent a bus which can __________ 40 people for our trip to Beijing.
In England we have saying: It's the thought that __________.
西北航道是指从大西洋经北冰洋进入太平洋的航道，以往因受冰封影响，航运有限；但2007年后发现海冰融化程度加大，航运条件已有改善。据此回答下面小题
