.Your son has kept _________ for two hours. You’d better ask him to have a rest.
#51260
A
study
B
studied
C
to study
D
studying
推荐题目
Jack is often seen _______ basketball with his friends after school.
#50900
A
play
B
to play
C
to playing
D
played
She is kind. She is ready _______ the poor people.
#49595
A
helping
B
to help
C
to helping
D
not to help
