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Put the verbs in brackets into the correct tense or form .
1.Last year Mr.johnson _______ (teach) us robotics .
2.My sister is really busy - she _____ (study) for the exam .
3.In the future , robots_____(do) things that people can't do or don't want to do .
4.Mark_____(be) to Sapa twice . The first time ____(be) more than tean years ago.
5.How often ________ (you/do) household chores ?~Everyday.
6.Twenty year ago ,most people around the world _______ (not know) what the internet was .
7.If we dump all sorts of chemicals into rivers ,we ______ (not be able to ) swim in them in future .
1.Last year Mr.johnson _______ (teach) us robotics .
2.My sister is really busy - she _____ (study) for the exam .
3.In the future , robots_____(do) things that people can't do or don't want to do .
4.Mark_____(be) to Sapa twice . The first time ____(be) more than tean years ago.
5.How often ________ (you/do) household chores ?~Everyday.
6.Twenty year ago ,most people around the world _______ (not know) what the internet was .
7.If we dump all sorts of chemicals into rivers ,we ______ (not be able to ) swim in them in future .