We regret to ________ that it may not be possible to deal with every request.
A、putoffD
暂无解析
The student found the novel _______. It provided him with so much information about the subject.
Othersarguethatsincetheearthhasenduredalongstringoficeagesinthelasttwomilliontothreemillionyears,anywarmingis________tobetemporary.
WhenIcamethroughthecustomsattheairport,Ihadtopay________onaclockIhadbought.
________ so many people in the United States been out of work as today.
The boy ran out of the classroom without the teacher's _______.
