21.This time tomorrow ______ for New York.
A. we’re going to fly B. We’ll be flying C. We’ll fly D. We are to fly
22. Smoking does great harm to our health. _______ is smoking allowed in public places.
A. At no time B. In no time C. At a time D. At all times
23. ----This is my treat and next is yours. How’s that ?
----OK. ______.
A. It doesn’t matter B. It depends C. No way D. It’s a deal
