This CD-ROM can help you learn and have fun ______.
#50861
A
at times
B
on time
C
at the same time
D
in time
推荐题目
---I heard your grandpa used to be a teacher. --- Yes. He was a math teacher ________.
#48992
A
on the 1950s
B
in the 1950s
C
at the 1950’s
D
in 1950’s
—Has Mary been back?—Not yet.She will come back ________ the evening of June _______.
#50778
A
at,first
B
to,thirtieth
C
on,the twelfth
D
on,the nineteen