單項選擇題All the rubber bales were separated().

A.by grade
B.by a grade
C.by the grade
D.by the grades


您可能感興趣的試卷

你可能感興趣的試題

1.單項選擇題All the torn bags are treated()original ones.

A.in
B.as
C.to
D.with

2.單項選擇題All these containers will be loaded()deck.

A.in
B.up
C.above
D.on

4.單項選擇題Attention is called to the fact that in many cases charted depths may be decreased by up to().

A.one natutical mile
B.2 kilometers
C.5 cables only
D.one fathom

5.單項選擇題Be careful()to mix them up.

A.don't
B.won't
C.not
D.must not