A. Giving B. Havinggiven C. Given D. Havingbeengiven
A. by B. at C. with D. on
A. hangup B. hangabout C. hangon D. hangonto
A. ranover B. raninto C. ranthrough D. randown
A. go B. went C. wouldgo D. goes
A. optimistic B. optional C. outstanding D. obvious
A. undernocircumstances B. underanycircumstances C. undereverycircumstances D. underallcircumstances
A. flavor B. factor C. aspect D. dimension
A. separate；from B. keep；outof C. insulate；from D. distract；from
A. inspiteof B. regardlessof C. onaccountof D. incaseof
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