You are old enough to make decisions by __________.
---______ go walking with us after supper this evening? --- Great! I have nothing important to do.
Which flat do you live ________ and which floor do you live ________ ?
There are three______ workers in this factory. My brother is in it ,too.
---Would you like to go shopping with us this afternoon? --- ________,but I must do my homework first.
_______ girl with ____ long hair is Jim’s sister.