A.explodedB.opened upC.dug outD.explored
A. exploded
B. opened up
C. dug out
D. explored
查看答案
A.calledB.knownC.by nameD.named
A. called
B. known
C. by name
D. named
A.weaponB.mixtureC.explosiveD.discovery
A. weapon
B. mixture
C. explosive
D. discovery
A.whenB.asC.thenD.while
A. when
B. as
C. then
D. while
A.believingB.regardingC.regardedD.believed
A. believing
B. regarding
C. regarded
D. believed