14. Over the long process of evolution, animals have developed their ______ senses, which makes it possible for them to _____ their environments.
| A．specially; conquer | B．unique; survive |
| C．uniquely; survive | D．special; exist |
It was a matter of ______ would take the position.
| A．who | B．whoever | C．no matter who | D．whomever |
The reason ______ he gave his teacher for being late is ______ there was a lot of traffic on the road.
| A．why; that | B．that; because | C．which; why | D．that; that |
There is no doubt ______ he said at yesterday’s meeting was true.
| A．what | B．that | C．that what | D．what that |
______ it will do us harm or good remains ______.
| A．If; to be seen | B．Whether; to be seen |
| C．That; seeing | D．Whether; seen |
He is the only one of the students who _________ a winner of scholarship for 3 years.
| A．is | B．are | C．have been | D．has been |