help me !
1.Nowadays many girls ( like/do ) aerobics to keep fit.
2.How often he ( go/fish ) ?
3. your team ( win ) yesterday ?
mong cac bạn giúp mk nha
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They have never eaten Mexican food.
They have not eaten the Mexican food (yet) .
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Artificial light is an important factor that contributes effectively in the process of socio-economic development. And in fact, the industrial society has been too dependent on artificial light because it is used to illuminate public places, offices, factories, residential areas ... to meet and serve activities. However, when light is not used effectively, causing excessive light is the cause of pollution. light.Based on the characteriss of the sources and the object affected, light pollution is classified into the following categories: light intrusion, light abuse, glare, mess and light. usurp the sky.
Intrusion light occurs when light reflects on unwanted or unwanted areas. Such as street lights shining into the windows of roadside apartments, the result could be insomnia for those who live in them.Bright light is the result of the opposite of the light and dark areas in the view. When bright light is shining directly into the eyes of pedestrians will lose visibility in the night and this problem is especially serious for traffic safety.
Light abuse is excessive use of light, causing waste. The main cause of this problem is not turning off the light when not needed or inappropriate lighting design makes the use of light larger than necessary or the light does not focus on the necessary area.The light is cluttered due to the excessive use of multiple light sources. At the same time, they are arranged to create interwoven light streams. Typically, there are too many advertising lights on the streets. This is also a cause for pedestrians to easily lose focus and can lead to accidents.
Light appropriating the sky usually occurs in densely populated areas, especially in modern urban areas. All the light from different sources reflects off the night sky, causing the area to shine brightly when viewed from afar. This problem especially affects astronomers when observing stars.
1) Did you use to go to the beach when you lived in nha trang ?
2) Linda used to with her parents
3) I did not use to collect stamps when i was in primary school
4) He used to be a poor man , but he becomes a rich businessman
5) They did not use to go to the cinema every Sunday last year
6) In the past my hair used to be much shorter than that now
1.Nowadays many girls ( /do ) doing aerobics to keep fit.
2.How oftendoes he ( go/fish ) go fishing ?
3. Dìd your team ( win )winyesterday ?
học tốt
1. Nowadays many girls (/do) doing aerobics to keep fit.
2. How often does he (go/fish) go fishing?
3. Did your team (win) win yesterday?