IDNStudy.com, ang iyong mapagkukunan para sa malinaw at maaasahang mga sagot. Tuklasin ang malalim na sagot sa iyong mga tanong mula sa aming komunidad ng mga bihasang propesyonal.

6. The graduating class
___________research work on the issue for several weeks.
(has done, have done, had done, will have done)
7. The drugstore__________
by midnight.
(has closed, have closed, had closed, will have closed)
8. Scientists____________
research and experiments to see how the Philippine eagle
could be saved.
(has conducted, have conducted, had conducted, will have conducted)
9. Many children_____________
to the park for the music festival.
(has gone, have gone, had gone, will have gone)​