who - that

She only wears shoes _______I recommend.

• who

• that

I don't understand people ________run marathons.

• who

• where

• when

It was the tarahumara people _____influenced Chris.

• when

• who

• where

There are many things ____ you can do barefoot.

It's the fivefingers shoes _____resemble feet.

• who

• that

• where

Runners _______I don't know like being barefoot.

Clara is the woman ___I was talking to yesterday.

• - (blank) / who

• where