Supply either the Present Indefinite or the Present Perfect in the following sentences.
1 I can't speak about the book.I (not read) it yet.
2 Every day I (wind up) my watch at 7 o'clock in the morning.
3 It's Friday. ... you (see) him this week?
4 Students usually (buy) books at the House of Books.
5 It's a pity ? but I (not buy) this dictionary yet.
6 As a rule we (do) many exercises in class.
7 He (tell) this joke many times.
8 Something (go) wrong with my wathc .
