The man was seen        the park. But now we couldn't find him there.
#49524
A
enter
B
to enter
C
going
D
went into
推荐题目
Your hair is too long. You’d better have it ______.
#48798
A
cut
B
to cut
C
cutting
D
Cutted
We shall  never give up ______ for even one day. 
#49951
A
studying
B
study
C
to study
D
studies