Use the present simple tense or the present continuous tense of the verbs in parentheses.
1)I seldom (to wear) a tie in summer, but I (to wear) one now.
2)we (to do) this exercise now. We (to do) two exercises every lesson.
3) George (to smoke) a cigarette. He (to smoke) ten cigarettes a day.
4) come in, I (to have) a cup of tea. I usually (to have) one about this time.
5) what (to do) you this evening? I usually (to read) but this time I (to watch) TV.
6) the postman (to walk) up the path. He (to come) twice a day.

1) I seldom wear a tie in summer, but I am wearing one now.2) We are doing this exercise now. We do two exercises every lesson.3) George is smoking a cigarette. He smokes ten cigarettes a day.4) Come in, I have a cup of tea. I usually have one about this time.5) What are you doing this evening? I usually read but this time I am watching TV.6) The postman is walking up the path. He comes twice a day.