Some of you may have finished unit one. _______, you can go on to unit two.

do you clean your room?—I clean it every day.[ ]

What do you think of the hotel?- It’s great! It can provide us ____ hot water even at night. And it can also provide food ____ us any time.[ ]

We have bags _______ all colors. [ ]

Must I hand in my homework now， Mr.Smith?—No，you ________.