She was unable to __________ her excitement.( ) A: etain B: contain C: certain D: entertain

A private cloud ________. A: may impact the cloud standardization B: etain greater customization and organizational control C: is Internet-based D: is Intranet-based

Don’t ________ this news to the public until we give you the go-ahead. A: elease B: elieve C: elate D: etain

His glowing descriptions of a classless society where anyone could success through honesty and hard work fired the imaginations of many European readers. A: attain B: etain C: detain D: contain