Either you or one of your students ______ to attend the meeting that is due tomorrow.

Clouds that form as small white flakes or scaly globular masses covering either small or large portions of the sky are（）.

Either the shirts or the sweater（）a good buy

Do you prefer tea or coffee?（）

—Do you learn Russian or French?—I learn _____.

—Do you learn Russian or French?—I learn ______.

It’s（）to stow optional cargo in the lower hold．You’d better give it block stowage in the tweendecks，then it can be easily discharged either at Shanghai，or Dalian or Tianjin.

Clouds that form as small white flakes or scaly globular masses covering either small or large portions of the sky are（）.

（） is not properly set thus causing either advanced or retarded firing.

Consonant sounds can be either （）or（）,while all vowel sounds are （）.

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.