My sister isn't at home. I have to _____
问题:
My sister isn't at home. I have to _____ my naughty niece. [ ]
A. watch over
B. watch out
C. take care
D. look up
My sister isn't at home. I have to _____ my naughty niece. [ ]
A. watch over
B. watch out
C. take care
D. look up