If you buy this machine, you can receive one hour training free of charge.

(If) you (will buy) one box at the regular price, you would receive (another one) at (no) extra cost.

A．If

B．will buy

C．another

D．no

(If) you (will buy) one box at the regular price, you would receive (another one) at (no) extra cost.

A．If

B．will buy

C．another one

D．no

A．If

B．will buy

C．another one

D．no

If you will buy one box at the regular price，you would receive another one at no extra cost.

A.If

B.will buy

C.another one

D.no

If you are not sure how much postage is for your letter, you can ______ .

A．go and buy stamps from the machine in the post office

B．get in touch with somebody you know in the post office

C．ask the man or the woman in the post office for help

D．buy the stamps at any window

The phrase "first-come, first-served" tells you that ________.

A．people can buy the tickets on the first day only

B．the person who is first to arrive will receive a ticket at no charge

C．food and drink will be served at the auction

D．tickets are sold in the order of who arrives first to buy them

The phrase "first-come, first-served" tells you that______.

A．people can buy the tickets on the first day only

B．the person who is first to arrive will receive a ticket at no charge

C．food and drinks will be served at the auction

D．tickets are sold in the order of who arrives first to buy them