28 It is only when agriculture is fullydeveloped___________industry can have abundant materials and markets

____________you___________ a brother—Yes, I have. I’ve got a younger brother.

As a mother of two young boys, she knows the difficulties of keeping kids ________.

resident Barack Obama on Wednesday paid honor to health care workers who have treated Ebola patients in West Africa, calling them “heroes”_________ to be applauded rather than discouraged.

______ to as much English as possible is a good way tolearn English well.