All passengers ______, please fasten your seat belts and remain seated ______ th

All passengers ______, please fasten your seat belts and remain seated ______ th

题型:不详难度:来源:
All passengers ______, please fasten your seat belts and remain seated ______ the plane is landing.
A.on board; before B.abroad; since C.on the board; after D.aboard; when

答案
D
解析

举一反三
Tourism is important ______ Oxford and Grenoble, and they are both close ______ some of the most beautiful countryside in the region.
A.for; with B.of; by C.in; at D.to; to

题型:不详难度:| 查看答案
When chatting with a stranger on the Internet, bear in mind______ he could be anybody, for you can’t see him _________.
A.that; in particularB.that; in personC.what; in detailD. ; in public

题型:不详难度:| 查看答案

In class, fewer of the students who are not ______ their studies sometimes ______ the dying robots, not listening attentively.
A.accustomed to; are functioned asB.addicted to; function as
C.sceptical about; are functionedD.accurate in; function

题型:不详难度:| 查看答案
.He tried________to persuade his friends to travel with him, so he traveled alone.
A.in storeB.in vainC.in turn D.in trouble

题型:不详难度:| 查看答案
---What is Rudi up to?
 ---Rudi seems bent ______finding a new job.
A.on  B.to   C.down   D.over

题型:不详难度:| 查看答案
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