—Mum, can I go out and play with my friends now?— Certainly, but your homework _________first.
My aunt has a son.He is my ________.
一Where is my hat? —I can’t _______ it.
一Is this your bike?—No.It is ______, _______ is red.
They don’t have _______ color pencils,but I have _______.
Can you see a set of keys here?