选出下列单词中与目标单词意义不同的那一个：

dull

• boring

• colourless

• unexciting

• bright

选出下列单词中与目标单词意义不同的那一个：

mission

• task

• necessity

• operation

• job

选出下列单词中与目标单词意义不同的那一个：

restriction

• quarantine

• separation

• liberation

• isolation

选出下列单词中与目标单词意义不同的那一个：

blank

• empty

• scratch

• unwritten

• unused

选出下列单词中与目标单词意义不同的那一个：

guarantee

• explode

• pledge

• promise

• security

Teachers ???????? to be patient with students.

• should

• will

• may

• ought

You may have a  ????????  for her, but it isn't love.

• passion

• outburst

• courtesy

• bewildering

 The two men were to remain ???????? friends.

• weird

• lonely

• lifelong

• worrisome

The tiger  ?????????  danger and ran away.

• acted

• suspected

• approached

• communicated

Dinosaurs ???????? from the earth long ago.

• scratched

• vanished

• considered

• appreciated