The boy was seen            on the sports ground.
#50866
A
to play
B
play
C
played
D
to playing
推荐题目
Students in the USA spend     time      their homework than we do.     
#50319
A
little , to do
B
little, doing
C
less , doing
D
less , do
 Most Chinese students hope ________ homework. If so, they can have much ______time for their hobbies.
#49076
A
to have an hour of; more
B
to have an hour for; most
C
having an hour of; more
D
to have an hour to do; most
If you want to buy an expensive camera, we have several models for you ________.
#48381
A
to be chosen
B
to choose
C
to choose from
D
to be chosen from
Lucy practiced_____ the piano last weekend.
#49905
A
play
B
plays
C
playing
D
played
How pleased the emperor was _____ what the cheat said!
#48815
A
hearing  
B
heard
C
hear
D
to hear