无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

單項選擇題

We’ll（）some necessary measures to raise the working efficiency.

A.give
B.make
C.take
D.use

你可能感興趣的試題

單項選擇題

When and where（）your registy certificate issued?

A.is
B.are
C.was
D.were

單項選擇題

When vessel enters thick fog, she should sound（）every two minutes in accordance with the rules.

A.one short blast
B.one prolonged blast
C.two short blasts

<pre id="srs2n"></pre>