______ more effectively in the future, many people equip themselves with further education.
#94697
A
Compete
B
Competing
C
To compete
D
Competed
推荐题目
______ in 1885, this old car was the oldest one in the race.
#96625
A
Built
B
Being building
C
It was built
D
Having built
While watching television, ____.
#96009
A
the doorbell rang
B
we heard the doorbell ring
C
there was someone knocking at the door
D
the doorbell was ringing