1. As you can see by yourself, things     to be exactly as the professor had foreseen. 

A . turned in     B. turned out      C. turned up     D. turned down 

2.The two countries achieved some progress in the sphere of trade relations, traditionally a source of      irritation. 

 A .mutual        B. optional         C. neutral        D .parallel 

答案解析：

1.A.turn in交上、归还                B. turn out 结果是，证明是   

 C.turn up出现，找到                D.turn down关小，减少 

句解：正如你所看到的,事情会完全正如教授所预见的。 

2.A mutual  共同的，相互的           B. optional可选择的    

  C.neutral 中立的                    D.parallel 平行的

句解：这两个国家在贸易领域关系上取得了一些进展，但贸易关系在传统上是两国冲突的来源。