A new technique ____ out, the yields (收成) increased by 20% .
#98832
A
having working
B
having been working
C
has worked
D
had been worked
推荐题目
______ an important decision more on emotion than on reason, you will regret it sooner or later.
#90894
A
Base
B
Based
C
Basing
D
To base
--What do you think has made Tom so excited?--_____ a prize in a lottery.
#96055
A
Winning
B
Won
C
He won
D
To win
______ tired, after a hard work, she fell into bed and went straight to sleep.
#97935
A
Felt
B
Feeling
C
Being felt
D
To feel
______ a piece of ice outside in such hot weather, and you’ll soon find it melt.
#94394
A
To put
B
Put
C
Putting
D
Having put
