Time should be made good use _______our lessons well.
27. The number of traffic accidents caused by drinking is ________ as the number of those caused by non-drinking driving.
26. It is difficult to do some of the experiments ________ in our physics textbooks.
25. --School will soon be over. Can you recite the text now?--I’m not sure, but I ________ it all this morning.
24. Peter likes doing sports ________ his brother prefers listening to music.
23. The Chinese government has made ________ a goal to increase peasants’ income.