问题
选择题
Some of the exercises appear to be ones that you have done, but after taking second look, you will find that they are different.
A.不填; the
B.the; the
C.the; a
D.the; 不填
答案
答案:C
考查冠词。you have done这个定语从句修饰的ones,加the表示限定。后一空a second look表示再次看。句意:一些练习貌似跟以前做过的一样,但你再次细看才发现它们并不相同。