Zheng He's first stop during the expedition was in ______ is a part of Vietnam today.
| A．where | B．what |
| C．which | D．that |
（2013·大纲卷）I was glad to meet Jenny again, I didn't want to spend all day with her.
| A．but | B．and | C．so | D．or |
The only way to succeed at the highest level is to have total belief_____ you are better than anyone else on the sports field.
| A．how | B．that | C．which | D．whether |
（2013·新课标Ⅱ卷) I was glad to meet Jenny again, I didn't want to spend all day with her.
| A．but | B．and | C．so | D．or |
There’s no way of knowing why one man makes an important discovery ________ another man, also intelligent, fails.
| A．since | B．if | C．as | D．while |
It was a real race _______ time to get the project done. Luckily, we made it.
| A．over | B．by | C．for | D．against |