．I really don’t know _______I kept the secret papers．
|
A．where was it |
B．it was where that |
|
C．where it was that |
D．where was it that |
．The problem ________now is very important．
|
A．being discussed |
B．discussed |
C．discussing |
D．to be discussed |
．_______from the top of the tower, the north foot of the mountain is a sea of flowers．
|
A．Seeing |
B．Having seen |
C．Seen |
D．To see |
．—Must I give the pen to the manager ?
—No, you may give it to________you think is on duty in the office ．
|
A．whomever |
B．no matter who |
|
C．whoever |
D．who |
．Look! The dictionary, ________cover is red, is a birthday gift given by Tom．
|
A．which |
B．whose |
C．its |
D．where |
_______environmental damage is done, it takes many years for the ecosystem to recover．
|
A．Even if |
B．If only |
C．While |
D．Once |
