---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
推荐题目
—Do you often help your cousin with his English?—No. He learns English _______.
#46919
A
by himself
B
for himself
C
with himself
D
on himself