LANGUAGE PRACTICE-THERE IS/THERE ARE/IS THERE/ARE THERE

............................a post office near you?

.........................any shopping malls in your town?

.............................a really nice restaurant near my house.

...........................a department store in your town?

..............................six days in a week

.......................any bookstores around here?

.....................a restaurant in your neighborhood?

Oh dear!!.............................a snake in the garden!!

.................................fifty-two weeks in a year.

.............................any mistake in my exercise,or so I hope!