问题
单项选择题
She ______ as an animal trainer since 2003.
A. has worked
B. works
C. will work
D. worked
答案
参考答案：A
解析： 考查时态。since意为“自从”，应用现在完成时态，所以答案应选A。
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She ______ as an animal trainer since 2003.
A. has worked
B. works
C. will work
D. worked
参考答案：A
解析： 考查时态。since意为“自从”，应用现在完成时态，所以答案应选A。