The number of cars on the road is becoming _______ nowin our hometown.

(2013·哈尔滨四校高三统一检测)—Can I pay the bill by check?—Sorry, Sir. According to the rules of our hotel, the payment ________ be made in cash.

Hasn’t the thief admitted his crime by now? — No, ______ questioned many times[ ]

Would you please ____ _ her _____ me back— All right, I will tell her.

Urban crowdedness would be greatly relievedif fares ______ on public transport were more reasonable.