单项选择题
How many children did Susan and Michael interview[A] 15...
单项选择题How many children did Susan and Michael interview
The first harvest was the ______ corn harvest.
填空题The first harvest was the ______ corn harvest.
The advantage of this method was that the dried corn co...
填空题The advantage of this method was that the dried corn could be stored for long periods of time without ______.