We can’t do two things _____.
#48624
A
all the time
B
on time
C
at times
D
at a time
推荐题目
— Is Mr. Brown at home now?—Yes. He usually does exercise______ 7a.m. ______8a.m. in the garden.
#49487
A
between; at
B
from; to
C
at; and
D
both; and
