A-A+
Smith ______ a book about China last year but
问题详情
Smith ______ a book about China last year, but I don"t know whether he has finished it.
A．has wrote
B．wrote
C．had written
D．was writing请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：B
解析：时态题。句中有last year只能用过去时。
考点：
