求高手解决几道关于英语时态的题
4 .Alan,where did you guys go for the summer vacation?
We _________(be)busy with our work for months,so we went to the beach to relax ourselves.
5.mother wanted to be a good provider,a role she ______(should)since her marriage to father.
6.Joseph_____(go)to evening classes since last month ,but he still can’t say “what’s your name?”in Russian.
7 .I _____(do)all the cooking for my family ,but recently I’ve been too busy to do it.