问题补充:
Kitty spends a lot of time after-school activities, but Linda spends little time it.
A. doing, in
B. to do, in
C. doing, on
D. to do, on
答案:
A. doing, in
B. to do, in
(答案→)C. doing, on
D. to do, on
解析:句意:基蒂在业余活动上花费大量的时间,但是琳达几乎没有在上面花费时间。spend +时间+(in)doing sth ,花费时间做某事,spend +时间+on sth在…上面花时间,故选C