In the experiment we kept a watchful eye __________ the developments -考呗网题库移动版

单选题 In the experiment we kept a watchful eye __________ the developments and recorded every detail.

A．in
B．at
C．for
D．on

参考答案D

解析:

单选题 The program requires more money than ____________________

A．have been put in
B．being put in
C．has been put in
D．to be put in

单选题 He was to admit his mistake even to his closest friend.

A．too much of a coward
B．too much the coward
C．a coward enough
D．enough of a coward

单选题 This may have preserved the antelope from being wiped out as well as other animals __________

A．hunted
B．hunting
C．that hunted
D．are hunted