In our life, we can work hard on one task    , and then another. In this way, all your dreams can be realized.
#35414
A
at a time
B
on time
C
at the time
D
all the time
推荐题目
My sister is           the phone.
#42935
A
taking on
B
talking on
C
walking in
D
having at
—He has 2 friends. One is a driver,_______ is a doctor..
#36290
A
the other
B
others
C
another
D
another one