In some languages, 100 words make up half of all words _______in daily conversations.
#91073
A
using
B
to use
C
having used
D
used
推荐题目
_____ many times, but he still couldn't understand it.
#98333
A
Having been told
B
Though he had been told
C
He had been told
D
Having told
 A middle-aged woman came _____ to the bus stop only_____ the bus had gone. 
#98238
A
run; to find
B
running; to find
C
and ran; found
D
running; finding
By the year 1889, there were just 541 bison ________ in the whole of North America.
#97227
A
leaving alive
B
to leave alive
C
to be left alive
D
left alive