We were on the point of discussing financial investment_____ the telephone rang unexpectedly.
| A．while | B．when | C．as | D．once |
There is no simple answer，________ is often the case in science.
| A．as | B．that |
| C．when | D．where |
When I arrived, Bryan took me to see the house ________ I would be staying.
| A．what | B．when |
| C．where | D．which |
（2014届福建省福州八中高三第六次质检考试英语试卷）
Overseas Chinese are particularly sought out for positions a high degree or leadership is required.
| A．where | B．which | C．when | D．what |
（2014届湖南省怀化市高三第一次模拟考试英语试卷）
He is of confidence, , in my opinion, is most important in society.
| A．how | B．that | C．what | D．which |
（届辽宁省大连市第三中学高三上学期期末考试英语试卷）
The topic, _______ we devoted a heated discussion last night, is a hot issue at present.
| A．which | B．where | C．to which | D．for which |