№ упр. не понятно
2 I felt sick after eating too much chocolate.
3...Think carefully before answering it.
4... I felt better after having a shower.
5After finishig my work,...
6Before going to a foreign country,...
Ex.
2John worked in a bookshop for two years after leaving school.
3Before going to sleep,I read a few pages of my book.
4After walking for three hours, we were very tired.
5Let's have a cup of coffee before going out.