21. look ~ :
look for 尋找 wait for等候
look after=take care of照看
look like看起來像 look the same看起來一樣
look over檢查,復(fù)習(xí) look through溫習(xí),檢查
look out小心,從里向外看 look up向上看,查單詞
look around環(huán)視 look forward to期望
22. ~ off :
set off出發(fā)、動身 put off推遲 turn off關(guān)
take off脫(衣),(飛機(jī))起飛 jump off跳離
keep off避開、不靠近… drop off放下(某物)
23. half ~ :
half a kilo半千克 half an hour半小時
in half分成兩半 half of the day半天
24. ~ exercise :
do eye/morning exercises做眼保健/早操
take (more) exercise(多)參加體育鍛煉
an exercise book練習(xí)本
25. ~ in :
take part in參加 hand in上交
in hospital住院 in surprise吃驚地
in the sun在陽光下 in trouble處于困境
in a minute/moment馬上
26. ~ on :
feed on以…為主食 live on繼續(xù)活著
base on以…為根據(jù) carry on堅持、繼續(xù)下去
and so on等等 on the other hand另一方面
on foot步行
28.be ~ 介詞:
be famous for以..著名 be born出生
be excited about +n./V-ing對…感到興奮
be interested in對…感興趣
be amazed at對..感到驚訝
be busy with sth.=be busy doing sth.忙于…
29.move ~ :
move away移開 move to(搬)移到…
30.上網(wǎng):
search the Internet上網(wǎng)