题目内容
Sam enjoys _________ stamps. And now he has 226 of them.
A. to collect
B. collected
C. collects
D. collecting
(2006年北京)
Sam enjoys ________ stamps. And now he has 226 of them.
[ ]
Sam enjoys stamps. And now he has 226 of them.
A. to collect B. collected C. collects D. collecting