问题
选择题
Tourist excitement has built up _______ new places of interest were opened two years ago.
[ ]
A. as
B. since
C. only if
D. even though
答案
答案：B
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Tourist excitement has built up _______ new places of interest were opened two years ago.
[ ]
A. as
B. since
C. only if
D. even though
答案：B