.John is the only one of the students in the class that never______ a mistake even when it is pointed to him.
| A．admit making | B．admits making |
| C．admit to make | D．admits to make |
All people in the company voted for Mr．Smith．His management and strong character as well as his kind-heartedness made _____ he was as CEO．
| A．who | B．which | C．what | D．whom |
--- Hey, Tom．I think I am quite familiar with these photographs．
--- It is impossible for anyone_________ them before, because Mr．Newman had them developed today．
| A．having seen | B．to have seen | C．to see | D．seeing |
---Is there anything wrong, Bob? You look sad．
---Oh, nothing much．In fact, I ____ of my friends back home．
| A．have just thought | B．was just thinking |
| C．would just think | D．will just be thinking |
The genetic engineering, ______ progress has been very rapid recently, is perhaps the most important of all the sciences．
| A．to which | B．with which | C．in which | D．for |
---What’s made Tommy so upset?
--- ______, I believe．It shocked him so much．
| A．He lost the game | B．Lost the game |
| C．Losing the game | D．Because of losing the game |