It is said that the engines of Flight MH370____while flying over the Indian Ocean,with all on board killed .
A. broke out B. ran out C. gave out D. wore out
—People often don't appreciate what they have, do they?
—No, _____ they lose it.
A. if B. afterC. when D. until
—Did Ann fail in English?
—She ____. Don't you notice that she looks depressed?
A.might B．must C．may have D．could have
People believe that the China Dream is not very difficult ____ so long as the whole nation works hard for it.
A．realizing B．to be realized C．realized D．to realize
Try not to cough more than you can_____since it may cause problems to your lungs.
A．help B．allow C．stop D．check
Color shapes our view of __world and it may have ___far more influence on our lives than many of us realize.
A. a; a B. the; / C. the; the D. the; a
