Make questions beginning with how long or since when:
1. We have been working at this problem for two years.
2. Students have been considering the examination requirements since 9 o'clock.
3. They have been writing an essay for three hours.
4. He has been carrying out experiments for a fortnight.
5. She had been taking English lessons since childhood.
6. They have been translate the article for two hours now.
7. Local authorities have been trying to curb pollution for years.

беларусь  маленькая страна, но это   красиво.  беларусь является страной  рек, озер и  лесов. населения беларуси  составляет более  9 миллионов человек.  летом  температура  в беларуси  25-30  градусов. беларусия  славится  беловежской  пущей, бизонами. люди  разговаривают на  языке. столица  беларуси  минске.  беларусь  находятся в  минске.

  1the teacher said to jack thet he is working hard and he is a good boy.2the old man said to the girl thet shi can sing perfectly and he think shi will be a famous singer.5the student said thet he can*t answer this question and don*t understand it.