I’d like to book a round- trip ticket.——Sorry, sir, but there are no tickets______ at the moment.

broad was not easy for him, and it was several years before he________ the whole community

Would you mind if I borrowed your car just over the weekend?—I’m sorry, but it’s just not possible, because I ________ my mother this weekend

Mary never does any reading in the evening ,______.

Rose ____________ English since 2002. She’s got a lot of teaching experience.