A.will expose
B.exposed
C.were exposed
D.have exposed
[单选题]The captain of the ship _____ the passengers that there was no danger.A.ass
[单选题]A red flag wasplaced there as a [token] of danger.A.signB.substituteC.proof
[单选题]A red flag wasplaced there as a [token] of danger.A.signB. substituteC. pro
[单选题]He remained calm even ________of such obvious danger.A.in the eventB.in the
[单选题]He remained calm even ________of such obvious danger.A.in the eventB.in the
[单选题]I [am sure totell] you that there's no danger.A.ensureB. assureC. insureD.
[单选题]I am [sure] totell you that there's no danger.A.ensureB.assureC.insureD.sec
We provide the robot with seeing detectors(探测器) to keep it away from danger. It
[单选题]All the workers in this factory( )with protective hats.A.is providedB.are p
The explorers, ______ all the necessary safety equipment, entered a huge cave.A.