单项选择题
A.require B.required C.requirements D.requiring
The sailors do cleaning and repair work （）the bosun.A. ...
单项选择题The sailors do cleaning and repair work （）the bosun.
A. under the supervision of B. with the help of C. in charge of D. in the charge of
The bosun is satisfied （）your work.A.forB.withC.toD.at
单项选择题The bosun is satisfied （）your work.
A.for B.with C.to D.at
Sometimes, it is necessary for （）to mix the paint.A. ch...
单项选择题Sometimes, it is necessary for （）to mix the paint.
A. chief officer B. bosun C. captain D. second officer
