2: вставьте предлоги там, где это необходимо. a) the secretary is sitting the desk and speaking the phone; she is making an appointment next monday. b) the board began 11 o’clock and lasted an hour and a half. c) the other day their firm placed an enquiry the motors brown and co. d) our partners offered to deliver the engines four lots 8 engines each regular intervals 2 months. e) so far our companies have done a lot business together and we can give you a discount. discount can be 8%. f) mr. black agreed the delivery terms and payment collection.

a)      The secretary is sitting at (1) the desk and speaking on (2) the phone; she is making an appointment for (3) next Monday.
b)     The board began 4) at 11 o’clock and lasted (5) for an hour and a half.   
c)    (6)The other day their firm placed an enquiry (7) for the motors (8) at Brown and Co.
d)      Our partners offered to deliver the engines (9) in four lots (10) of 8 engines each (11) at regular intervals (12) of 2 months.
e)     So far our companies have done a lot (13 of business together and  we can give (14)  you a discount. (15) The discount can be (16) 8%.
f)     Mr. Black agreed (17) on the delivery terms and (18) on payment (19) collection.