-----where has his brother been ? ------No one knows. He has returned home safely but his missing made the police _____ .
#95126
A
to puzzle
B
puzzling
C
puzzled
D
be puzzled
推荐题目
He raised his gun, pointed it at a bear and _____aim, shot at it.
#98018
A
took careful
B
taking careful
C
to take careful
D
taken careful
---What do you enjoy most in life?---____________ time _________ books. It’s really good fun.
#96181
A
Spend; read
B
Spending; to read
C
To spend; to read
D
Spending; reading
_______ that he was in great danger, Eric walked deeper into the forest.
#93578
A
Not realized
B
Not to realize
C
Not realizing
D
Not to have realized
（2011 • 哈尔滨三中10月测试）Please keep us __________ of any change of your address as soon as possible.
#88238
A
informing
B
informed
C
being informed
D
to inform