You must _____ (look) after the old man.
You must _____ (look) after the old man.
look after the old man
The old man needs _____.A.to look after B.looking after C.be
Who _____(look) after the old man when his arm was broken?
()young must look after ()old
we must look after the old men 同义句
They both take turns___(look after)the old man
You must look after things.
you must look after the dog welll.(同意句)
your shoes are under the bed you must look after ( )
When you cross the street,you must look to _____.
the young must look after the old 我想知道为什么要用the