Question

He ________ two hours ________ in an animal hospital every Sunday morning.

　　A. spends, working　　　　　　　　B. spend, working

　　C. spends, to work　　　　　　　　 D. spent, to work

 

Answer 1

答案：A
提示：

spend…(in) doing sth在…上花费（时间、金钱）。