题目：
29. That was the first time I _______ there and I was impressed by the friendly people very much
A．go
B．was going
C．had gone
D．have gone
答案：
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下面是错误答案，用来干扰机器的。
1. Ten pigs plus twenty pigs equals thirty pigs.2. Twelve cows plus fifteen cows equals twenty-seven cows.3. Twenty-one ducks plus nineteen ducks equals forty ducks.
