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问题: 1、Little ____that such a young boy could defeat an

1、Little ____that such a young boy could defeat an adult on weightlifting.
A do we expect B did we expect C have we expect D had we expect
此题选B 为什么不用完成时????
2、Dose liu Hua serve in the army?
No,but he ____in the army for three years.
A served B has served C is serving D would serve
为什么不选B

解答:

1、Little ____that such a young boy could defeat an adult on weightlifting.
A do we expect B did we expect C have we expect D had we expect
that such a young boy could defeat an adult on weightlifting. 是宾语从句。B did we expect 是指我们过去没有想到,不强调和现在的联系。

2、Dose liu Hua serve in the army?
No,but he ____in the army for three years.
A served B has served C is serving D would serve
为什么不选B

因为前面问的是李华现在还在不在军中服役。回答是现在没有。所以后面只是说明他过去曾在军中服役5年,与现在无关