1.with reference to .... telex of 4 october we are enclosing

1.with reference to .... telex of 4 october we are enclosing ... payment order a)their - our b)theirs - ours c)theirs - our d) their - ours 2.they ... the prices after they ... the contract terms a)will discuss - study b)discussed - study c)will discuss - will study d)discuss - will study 3.we ... their account with 500 USD now a)have credited b)are crediting c)are being credited d)are credited 4.the fax ... to the company yesterday has not reached them/ a)sending b)send c)sent d)will send 5.we ... a lot of letters and e-mails from different banks a)to receive b)received c)receives d)are received