--What shall we do tonight then?--________ --whatever you want.
Would you like tea or coffee? --_____, thank you. I’ve just had some water.
We can never expect ____ bluer sky unless we create _____less polluted world.
—Can I use your laptop for a while? —; any how I am not using it now.
What the science teacher does and says of great importance to college students.
This book18 passages,three written by my head teacher.