What's the correct alternative?

HE SHOULDN'T BUY _____ AT THAT STORE.

• NOTHING

• ANYTHING

SHE _____ BEEN USING THIS NEW APP FOR A COUPLE OF WEEKS.

• HAS

• HAVE

IT WILL TAKE ______ 30 MINUTES TO MAKE THE CAKE.

• THEY

• THEM

SHE WAS THE ______ TRAVEL COMPANION I'VE EVER HAD.

• WORST

• BADDEST

I _____ TO EUROPE IF I HAD SAVED MONEY.

• WOULD TRAVELED

• WOULD HAVE TRAVELED

WHO WOULD YOU TAKE WITH YOU TO A(N)_____ CITY?

• EUROPEAN CHARMING

• CHARMING EUROPEAN

I WISH I ______ MORE OFTEN.

• TRAVELED

• TRAVEL

SHE ADVISED _____ TO STUDY HARD.

• ME

• I

THE SHOE STORE IS _____ 367 PAULISTA AVE.

• ON

• AT

THERE ____ A LOT OF CHILDREN AT THE BOOKSTORE.

• WAS

• WERE