我
- A.collision
- B.collided
- C.colliding
- D.collide
- A.Smoke signal
- B.Flash signal
- C.Fire signal
- D.Radio emergency transmission
- A.keel
- B.virgin
- C.origin
- D.base
- A.on
- B.at
- C.in
- D.by
- A.in good order
- B.having no capacity
- C.out of control
- D.unavailable
- A.What
- B.How
- C.Which
- D.When
- A.drifting
- B.drifted
- C.drift
- D.draft
- A.calls
- B.called
- C.calling
- D.call
- A.to receive
- B.receiving
- C.received
- D.receive
- A.a distress message
- B.an urgency message
- C.a safety message
- D.a massage of SMCP
