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
—How far is it from the post office to the bank?—It’s about .
#51911
A
ten minutes
B
ten kilometers
C
twice
D
at the moment
Some scientists believe that there will be more robots in years.
#50952
A
hundreds of
B
hundred of
C
two hundreds of
D
two hundreds
_______ of the materials I listened to at the beginning of the exam _______ easy.
#51520
A
three fourths; is
B
third four; are
C
three fourths; are
D
three fourth; are
A year has ________ months, and December is the ________month.
#51438
A
twelve; twelve
B
twelfth; twelve
C
twelve; twelfth
D
twelfth; twelfth