----Any news about Bill Clinton? ----He left power three years ago and has a little now and a little then been ______.
#104448
A
heard of since
B
heard since
C
heard before
D
heard of before
推荐题目
-Why does the Lake smell terrible? -Because large quantities of water       .  
#104968
A
have polluted
B
is being polluted
C
has been polluted
D
have been polluted
-Why does the Lake smell terrible?-Because large quantities of water__________. 
#104945
A
have polluted
B
is being polluted
C
has been polluted
D
have been polluted
The church tower which_________will be open to tourists soon. The work is almost finished.
#103744
A
has restored
B
has been restored
C
is restoring
D
is being restored