No one has yet succeeded in explaining the ___ of how life began.
#6736
A
cause
B
problem
C
reason
D
puzzle
推荐题目
The happy ________ of children playing in the garden disappeared, and it was quiet again.
#5200
A
scene
B
scenery
C
sight
D
view
Electricity, like other forms of ______, has greatly increased in price in recent years.
#7230
A
pressure
B
force
C
strength
D
energy
One of the advantages of living on the top floor is that you can have a good _____ of the city．
#5732
A
sight
B
scenery
C
look
D
view
Bill was doing a lot of physical exercise to build up his __________.
#5957
A
ability
B
force
C
strength
D
mind
Even though she has many ______, I _______ any less.
#5360
A
faults; don’t fond of her
B
shortcomings; am not fond of her
C
errors; don’t like her
D
mistakes, don’t love her