1.the problem of these days. a)will get b)got c)is getting 2.this time yesterday the sea. a)swam b)are swimming c)were swimming 3. that office since april. a)has been working b)works c)is working 4.he was hot because the sun. a)sat b)has been sitting c)is sitting 5. you as soon as i get home. a)wrote b)have written c)will write 6. once a month on business. a)travels b)is travelling c)travel