The flight was delayed for two hours owing to（     ）reasons.

[单选题]The flight [eventually]got away six hours later.A.nicelyB. apparentlyC. fin

In fact, there are different reasons（        ）people are working long hours.A. w

[单选题]The repairing of the switchgear must( )in two hours.A.finishB.be finishedC.

[单选题]B．Spending two or three hours playing outdoors each day can reduce a child’s chance of becoming short-sighted, a research shows. It challenges (挑战) the belief that short- sightedness is caused by computer use, watching TV or reading in weak light.The

[单选题]First two hours, now three hours—this is how far in advance authorities are

[单选题]First two hours, now three hours—this is how far in advance authorities are

[单选题]First two hours, now three hours—this is how far in advance authorities are

[单选题]First two hours, now three hours—this is how far in advance authorities are

[单选题]First two hours, now three hours—this is how far in advance authorities are

But many times I have asked myself. I have __2__ a whole variety of reasons. __3