Thomas Alva Edison didn’t “invent” the light bulb (灯泡), but rather he ______ a 50 –year –old idea, which is not well –known.
#84032
A
improved upon
B
take down
C
put up
D
break away
推荐题目
It rained heavily last night. ________, much of the farm and forest land has been destroyed. ( ).
#64503
A
As a result
B
In other words
C
In fact
D
Out of date
The government has___________a series of policies and measures to ensure the improvement in living standards.
#68211
A
put out
B
put off
C
put forward
D
put down
—May I have a talk with one of your reporters？ —Sorry, but all of them are out to ______the main events of the day.
#82744
A
find
B
get
C
cover
D
search
He promised to come early, but he didn’t _____ until 10 p.m.
#81275
A
turn down
B
turn off
C
turn in
D
turn up
I want to leave now; I can’t ____ nothing useful here.
#74378
A
stand to do
B
stand doing
C
stand being done
D
stand to be doing