1) a box of pencils
2) the colo(u)r of the paper
3) those girls' clothes
4)the floor of the kitchen
5)her dad's telephone
6) his parents' advice
7) my friends' bike
You should do your morning execrises to be healthy and strong
Mary should consult a doctor
They should be here by now
You musn't smoke here
There are several books you must read
You must do as I told you
Drawing, painting, speaking, going, writing, taking, riding, living, closing, swimming, skipping, putting, getting.