The boy was seen            on the sports ground.
#50866
A
to play
B
play
C
played
D
to playing
推荐题目
I try ___ a lot of vegetables.
#50912
A
to eat
B
eating
C
eat
D
to have eating
 How much time did you spend ________ a bargain?    
#51388
A
look for
B
looking for
C
to look for
D
looked for
Sorry, Jim. I don’t have ______ time ______ with you.   --- That’s all right.
#49470
A
enough, to play
B
much, playing
C
enough, playing
D
many, to play