Question

With so much noise outside, the students can’t _____ their homework.

A．concentrate on

B．depend on

C．keep on

D．put their hands on

Answer 1

A

試題分析：重點理解句意，掌握四個選項的區(qū)別concentrate on集中精力于某事 depend on依靠 keep on 繼續(xù)put their hands on找到；把手放到什么上面  整個句意為：伴隨著外面巨大的噪音，學生們不能集中精力于他們的功課上。故選A。
點評：本題不難，理解了句意后不難得出答案。平時的復習，要多對動詞的短語進行積累、記憶，同時最好能在作文運用出來，這樣就能做到學以致用了。