问题
选择题
Mr. White came to our school in 2008, and since then he ______ us English.
A．teaches
B．taught
C．has taught
D．will teach
答案
答案：C
本题考查动词时态。从since then知应该用现在完成时态。
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Mr. White came to our school in 2008, and since then he ______ us English.
A．teaches
B．taught
C．has taught
D．will teach
答案：C
本题考查动词时态。从since then知应该用现在完成时态。