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
______that blood diseases are going to continue, we’ll have to______ them. 
#93223
A
Assumed; doing research at
B
Assuming; do research on
C
Assuming; do research for
D
Being assumed; do research on
There are many kinds _____, but I don’t know which to buy.
#97460
A
to be chosen
B
to choose from
C
to choose
D
for choosin
It seemed that the sea lion didn’t mind _______ with the tourists at all.
#91832
A
photograph
B
photographing
C
to photograph
D
being photographed