More highways have been built in China,___________it much easier for people to trave form one place to another.                            
#95925
A
making
B
made
C
to make
D
having made
推荐题目
She suggested the problem worth paying attention ________ at the meeting.
#90680
A
to be discussed
B
to been discussed
C
to being discussed
D
should be discussed
Three students from Changjiang college _____ while saving the ______ boys.
#94412
A
got drown; drowning
B
got drowned; drowning
C
were drowned; drowned
D
were drowning; drowning
________ many times,I still didn't know how to operate the machine.
#91844
A
Having taught
B
Having been taught
C
Being taught
D
Teaching
. _______ different kinds of pianos, the workers farther improved their quality.
#97438
A
To produce 
B
Being produced 
C
Produced
D
Having produced