Dung is kind and helpful, but he is also a little careless _____________. 
#47410
A
at time
B
at a time
C
at times
D
once a time
推荐题目
It’s nice ___________ the doctor to devote all the time he has _______ for the patients.
#47061
A
of; to care
B
for; to care
C
for; to caring
D
of; to caring
.You look tired .______ working indoors you should be out for a walk.
#46577
A
Because of
B
Instead of
C
Thanks to
D
As for