–I argued with my best friend. What should I do?–_______ you feel sad, you should write a letter and say sorry. 

I want to buy some postcards in the shop, _______ I don’t have enough money.

Neither I nor he ______ compared the prices of the PC, so ______ he ______ I decided to know more before buying it.

–Kate, do you know ________ it is from here to the gym?–About twenty minutes’ walk.

“______ do you exercise?” Three times a week.”