ve been on tour for a week in ourcity during May Day What do you think about it—Oh, what _______different Nanjing! Itisn’t _______I saw last

__________car traffic in city centers and make the air cleaner, some countries made rules that drivers should pay extra money if they drive in the city centers.

It’s hard to say what kind of person he is.Sometimes he is very friendly; at other times he________be very cold.[ ]

The car ____and stopped at the red trafficlight

It is impossible for____________ little room