A. unless B. provided C. lest D. except
A. so that to be see by us B. so that we should see it C. so that we could see it D. So we can see it
A. because B. although C. thought D. however
A. if B. in case C. unless D. so that
A. in spite that B. despite that C. however D. even though
A. after B. when C. before D. because
A. when B. after C. before D. as soon as
A. So long as B. When C. After D. Since
As B. Since C. Once D. Because
A. as B. if C. because D. as though
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