单项选择题
A.involving/impeding B.involved/to impede C.involving/to impede D.involved/impeding
If you do not wear goggles and helmet,your chances of b...
单项选择题If you do not wear goggles and helmet,your chances of being()will be greater.
A.beaten B.damaged C.hurt D.stricken
If the sling bumps()the beams,serious accidents may fol...
单项选择题If the sling bumps()the beams,serious accidents may follow.
A.at B.on C.into D.against
I have()damage below water line.A.largeB.bigC.important...
单项选择题I have()damage below water line.
A.large B.big C.important D.major