The little boy was last seen __________ football by the river.
#48508
A
to play
B
play
C
played
D
playing
推荐题目
We can make a fire ____ the room warm so that we can chat for a while.
#49753
A
to keep
B
keeping
C
keep
D
kept
Tom misses his brother very much and he is looking forward ____ him.
#48593
A
to hear from
B
hearing from
C
to hearing from
D
heard from
