|
|
|
3
|
A bus, a tram are examples of ________ transport
|
|
6
|
You should ________ out the garbage.
|
|
8
|
to expose to harm or danger
|
|
11
|
a situation in which an area is covered with water
|
|
12
|
a type of fossil fuel
|
|
13
|
a period of unusually hot weather.
|
|
14
|
garbage
|
|
15
|
CO2 is an example of ________ gas
|
|
17
|
flowers ________ in spring
|
|
18
|
to walk slowly
|
|
19
|
the snow ________ in spring
|
|
|
|
|
|
|
1
|
a small river
|
|
2
|
a long period of time during which there is very little or no rain
|
|
4
|
You should put the garbage in to the ________
|
|
5
|
green energy
|
|
6
|
to switch off
|
|
7
|
to caution, to inform
|
|
9
|
to make air/water dirty
|
|
10
|
sickness
|
|
16
|
a lack
|
|
|
|
