exercise

• exercise A

10. the whales headed south for the winter

(R) the whales = subject

headed = verb

• exercise B

3. the tall green trees along the road

(W) the tall green trees = subject

along the road = prepositional

the true = the tall green trees are standing along the road

are standing = verb

• toefl exercise

7. _____ radio as the first practical system of wireless telegraphy

D. marconi developed

explaination : i choose the D because radio is a object, so that we must find subject and verb