Answer:
1.have access to
2.We all sympathized with
3.If I were rich
4.are very exhausted for they have advanced forward without rest
5.to be regarded as
6.take the risk （of） trying
7.interfere with
8.impose tax on
9.resort to force
10.But for a half hour or so
11.be aware of（=be conscious of , having knowledge or consciousness）
12.approve of （=consent to, be in favor of, favor, agree to, consider good, right）
13.adhere to （=abide by, conform to, comply with, cling to）
14.By comparison of
15.keep an eye on
1.have access to
2.We all sympathized with
3.If I were rich
4.are very exhausted for they have advanced forward without rest
5.to be regarded as
6.take the risk （of） trying
7.interfere with
8.impose tax on
9.resort to force
10.But for a half hour or so
11.be aware of（=be conscious of , having knowledge or consciousness）
12.approve of （=consent to, be in favor of, favor, agree to, consider good, right）
13.adhere to （=abide by, conform to, comply with, cling to）
14.By comparison of
15.keep an eye on