4. The basketball player tossed the ball into the hoop. (W)

This sentence is wrong because there in no verb in the sentence

The prepositional : into

4. The watch in the jewelry box needs a new battery. (W)

This sentence is wrong because there in no verb in the sentence

The prepositional : in

10. NASA’a Lyndon B. Johnson Space Center  ...... control center for the Mercury, Gemini, and Apollo space flights.

a. it was at the             b. it was the                 c. was the                    d. the

The right answer is “C”, because A, B and D are not suitable for the sentence

.