The books______from the car when we got to the bookstore.
A. were just unloading
B. were just being unloaded
C. had just unloaded
D. would just been unloaded
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Only after I had talked to him for quite some time______to understand his worries.
A. do I begin
B. did I begin
C. I begin
D. had I begin
把所有厂商的收入加总,扣除使用的中间投入品成本来计算GDP的方法是()。
A. 最终产品法
B. 个人收入法
C. 收入法
D. 价值增加法
微观经济学和宏观经济学是互为前提、互相补充的。 ()
A. 正确
B. 错误
After flying across the Atlantic, Charles Lindbergh became famous______.
A. immediately
B. overnight
C. punctually
D. promptly