They have made so great progress      .
#51890
A
three years ago
B
for three years
C
in the past three years
D
before three years
推荐题目
You can watch TV ______, but you can’t watch it ______ a long time.
#51529
A
one, at
B
one, for
C
first, for
D
first, at
________ of the city was covered with the heavy smog.
#50932
A
Two-third
B
Two-thirds
C
Two-three
D
Two-threes
What a lovely present the old lady has received for her ______ birthday!
#51661
A
eighteen
B
eighty
C
eighteenth
D
eightieth
______ of the students in my class plan to go abroad for ______ study in the future.
#51518
A
Two-thirds; farther
B
One-thirds; farther
C
Three-fourths; further
D
Three-fifth; further