3.I need some{#blank#}3{#/blank#} (帮助) with the turkey sandwich.
4.Can you cut up the {#blank#}4{#/blank#} (番茄) for me, Sam?
5.They {#blank#}5{#/blank#} (拍) many photos during the school trip.
6.She {#blank#}6{#/blank#} (买) some gifts for her friends last weekend.
7.Who {#blank#}7{#/blank#} (赢) the first prize in yesterday's singing competition?
8.I met a {#blank#}8{#/blank#}（著名的) actor when I visited the beach last weekend.
9.Last night we watched a wonderful movie about {#blank#}9{#/blank#} (生存) in the future.
10.{#blank#}10{#/blank#} (最后) they got to the mountain on foot.

  他们把东西落在飞机、火车、公交车和出租车上。

    Many people have cars in the city. But {#blank#}1{#/blank#} (污染) is a problem because of the cars. Nowadays some downtown(闹市区的) areas around the world don't have cars. These car-free zones(无车区) are areas for people, bicycles and {#blank#}2{#/blank#} (公共的) transportation only. Eight million people  {#blank#}3{#/blank#} (居住) in the center of London and another two million people go to work there every day. The downtown area is very {#blank#}4{#/blank#} (吵闹的) with hundreds of cars, buses and taxis, but there are {#blank#}5{#/blank#} (也) a lot of beautiful parks with free music concerts. Many people go there for a rest {#blank#}6{#/blank#} (在……之后) they get off work. Parts of Tokyo are always crowded with hundreds of people- but no cars! These modern car-free zones are {#blank#}7{#/blank#} (真正地) popular and people like shopping there. In the past, Bogota was polluted {#blank#}8{#/blank#} (因为) there were lots of cars and traffic. Now the downtown area is a car-free zone and the air is {#blank#}9{#/blank#}(干净的)! Many people don't have a car and half a million people take the bus to work. There are lots of stores. It's not {#blank#}10{#/blank#}(昂贵的).