1. I should do my homework
I should brush my teeth
I should tidy my room
2. I shouldn't talk with strangers
I shouldn't eat sweets
I shouldn't watch much TV
3. First, I should go out
Then I should cross the road
After that I should go across the stadium towards the school
If you open his old photo album, you will find out that he spent his life, surrounded by beautiful pictures of nature
1.d 2.b 3.b 4.a 5.b 6.a 7.b 8.b 9.a 10.b 11.c 12.d 13.c 14.a 15.d 16.a 17.b 18.a 19.a 20.c
2.because
3.because
4.so
5.because
6.because