Going on a trip into ______ space must be quite ______ exciting experience.
| A．/ ; the | B．/ ; an | C．the; an | D．the; a |
— I need to advertise for a second-hand mountain bike.
— _______？David just plans to sell his present one.
| A．Why bother | B．Why not | C．So what | D．What for |
According to a report, cigarette smoking____ in all indoor public places in China already.
| A．will ban | B．has banned | C．will be banned | D．has been banned |
—Don’t forget to go to the football match tomorrow.
—I ________.
| A．don’t | B．won’t | C．shouldn’t | D．mustn’t |
—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 |