问题
选择题
Gina_____ a lot since she joined the art club.
A．learns
B．learned
C．will learn
D．has learned
答案
答案：D
题目分析：句意：Gina自从参加艺术俱乐部已经学到了很多。since从句用于现在完成时，故选D。
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Gina_____ a lot since she joined the art club.
A．learns
B．learned
C．will learn
D．has learned
答案：D
题目分析：句意：Gina自从参加艺术俱乐部已经学到了很多。since从句用于现在完成时，故选D。