Thomas Alva Edison didn’t “invent” the light bulb, but rather he ______ a 50 –year –old idea, which is not well –known.
#81506
A
improved upon
B
take down
C
put up
D
break away
推荐题目
He is going into hospital to have a small __________ her knee.
#75161
A
operate on
B
operation for
C
operation to
D
operation on
On hearing the news that her son had won the game, she _____ laughter.
#69641
A
burst out
B
burst into
C
burst with
D
burst upon
Your understanding on the theory is____ satisfactory. You must read more after class.
#68171
A
far from
B
up to
C
along with
D
free of