Нужна помощь!

  • Choose Present Perfect or Past Indefinite with "since":

    I doubt whether he (to read) a single book since he (to be) a student here, at our faculty.
    What you (to be engaged) in since we (to part)?
    What you (to occupy) yourself with since we (not to see) each other?
    He (to be) sad ever since his friend (to leave) the town.
    He (to be) sad ever since his friend (to be) away.
    Ever since I (to know) him, he always (to be) a true friend to me.
    I (to learn) a great deal since I (to study) at this university.
    I low long (to be) it since you (to graduate)?
    You (not to change) much since we (to meet) last.
    He seldom (to have) any visitors ever since he (to be) confined to bed.

  • I low long (to be) it since you (to graduate)?---Непонятная фраза. Проверте правильность ее оформления.

    1. has read/was
    2. have been engaged/parted
    3. hace occupied/did not see
    4. has been/left
    9. have not changed/met

    Об остальном подуиайте сами и дайте ваши варианты.
    Потом обсудим.