EXERCISE A

5. In a box on the top shelf of the cabinet in the hallway of the house   (W)

This sentence is wrong because there is no subject and verb

In a box (preposition), on the top shelf (preposition), of the cabinet (preposition),in the hallway (preposition),  of the house (preposition).

 

EXERCISE B

8. In a moment of worry about the problem with the cash in the account (W)

the answer is wrong ,there is no verb

The Right answer is : In a moment of worry about the problem is with the cash in the account.

 

TOEFL EXERCISE

9. The two Biggest resort____Arkansas are Hot springs and Eureka Springs

A.In   B. towns are    C. towns in     D.towns are in

Answer (C) is the best answer because towns of the plural subject. Answer  (A,C,D) are not correct.