B Underline the correct word to
complete the sentences (= no
preposition).
7 The shop opened at / in / on/ o
1998.
8 Did you go out at / in / on / s last
night?
9
The film started at / in / on / o
eight o'clock. We're late!
10 He was a famous film star at/ in / on /
o the 1930s.
11 There are no lessons at/ in / on / o
Friday afternoon.
12 1 last saw my cousin at/ in / on /
about a month ago.