Exercise

9. At 1:00 in the morning the alarm clock on the table beside the bad rang
(R) the alarm clock is subject , on the table beside the bed is prepositional , rang is verb.

1. During the meeting in the office discussed the schedule
(W) in this sentence there is not subject so that this sentence is wrong
Answer : during the meeting in the office manager discussed the schedule
in the office is prepositional , manager is subject , discussed is verb .

10. NASA's Lyndon B.Johnson space center_____control center for the mercury, gemini, and apollo space flights.
C. was the
because in this sentence we need a verb to complete a sentence , so the right answer is C .