After describing the planned improvements, she went on _____ how much they would cost. 
#98758
A
to explain
B
explaining
C
to be explaining
D
having explained
推荐题目
The monument was built in honor of the explorer who was believed _____ the river.
#98927
A
to have discovered   
B
to have been discovered
C
to discover  
D
having been discovered
Tom pretended______it but in fact,he knew it very well.
#98471
A
not listen to
B
not to hear about
C
not to have heard about
D
not to be listening to
       on his past mistakes, Ted realized that he had stayed around the wrong peop1e.
#95189
A
To reflect
B
Reflected
C
Reflecting
D
Being reflected