— Do you know why he left so early?—_______for the English test, I guess.
#51187
A
To study
B
Study
C
Studied
D
Studying
推荐题目
She  said _______ others changed  her life .
#50706
A
help
B
helps
C
helping
D
helped
I’d like ______ your brother.
#50578
A
play with
B
to play
C
to play with
D
playing with