(1) You can receive our program at short wave 37.5 MH.
(2) You can receive our program at short wave 37.5 MHz.
(3) Please do not expect we, the Zetas, to be your short wave radio experts.

(1) 'Do you think that made much of a difference to the family?' — 'I think so.'...
(2) If you can't play straight, then say so...
(3) I enjoy Ann's company and so does Martin...

(1) She's been off work since Tuesday.
(2) We've lived here since 1994.
(3) I haven't eaten since breakfast.

(1) She had heard the news-flash on a tv channel's news update.
(2) She was a tv reporter and worked long hours.
(3) tv is using radio as a seedbed for ideas.

(1) social issues/problems/reforms
(2) a call for social and economic change
(3) social class/background

(1) ...men's electric shavers.
(2) The shaver is scratched here.
(3) Push the trimmer slide key upwards until it is fixed , then run the shaver.

(1) ‘Everything's under control. ’ ‘famous last words! ’
(2) a famous artist/hotel
(3) the most famous lake in Italy

(1) to remain/stay/keep silent
(2) They huddled together in silent groups.
(3) As the curtain rose, the audience fell silent .

(1) We've got a spare bedroom, if you'd like to stay.
(2) I'm afraid I haven't got any spare cash .
(3) Are there any tickets going spare (= are there any available, not being used by sb else) ?

(1) frozen peas
(2) pea soup
(3) Buy: Canned green peas, Canned fruits, Canned vegetables, Canned mushrooms, Honey, Chick pea.

(1) The doctor examined her but could find nothing wrong.
(2) The students will be examined in all subjects at the end of term.
(3) You are only being examined on this semester's work.

(1) an extra large T-shirt
(2) She tried extra hard.
(3) to charge/pay/cost extra