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
He studied hard, __________ the exam.
#93042
A
aim at
B
aiming at passing
C
aiming passing
D
aiming to passing
(2013·重庆高考)When I was little, my mother used to sit by my bed, ________ me stories till I fell asleep.
#89020
A
having told
B
telling
C
told
D
to tell
The officer gave orders that anyone_____ a gun should be reported to the police station.
#89684
A
seen taking
B
see taken
C
seeing take
D
sees take
Tom always prefers _________on foot rather than _______ a bike.
#95685
A
walk; ride
B
walk; riding
C
to walk; ride
D
riding; to ride