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4. When we came, he ( to talk) on the phone.
7.What you (to do) next Sunday.
11.You (to read) my book already&
12.They (to take) their cameras to the exhibition tomorrow,?
14.My friend (to study) French for two years already.
15.Where you ( to go) yesterday?
16. He (to finish)his book by the end of this year.
18. My father ( not to meet) you at the station tomorrow because he is ill.
19. Our teacher ( to cheek) out test-papers already?