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
—We’ll be back for our school’s ____anniversary ceremony(周年校庆).—I see. That means you’ll have a get-together with your classmates in_______ years.
#51807
A
fifteen; seven
B
fifteenth; seven
C
fifteen; seventh
D
fifteenth; seventh
---How long have you been running ? ---Since ______ .
#51857
A
two hours
B
two hours ago
C
I am ten years old
D
for two hours
More than two _______years ago, people knew little about the universe.
#51657
A
thousands
B
thousand
C
thousands of
D
thousand of