The missing boys were last seen _____ near the river.
#97976
A
playing
B
to be playing
C
play
D
to play
推荐题目
Can you imagine_______such a mean person? 
#97745
A
she marrying
B
her to marry
C
her marrying
D
that her marrying
The well-known singer insisted on ______ his private affairs in the press conference.
#91543
A
not to discuss
B
discussing not
C
not discussing
D
not having discussed
The child is much too young; I object ______ him alone at home.
#91320
A
to leave
B
leave
C
leaving
D
to leaving
Every book ______ from the library should be returned on time.
#88600
A
borrow
B
to borrow
C
borrowing
D
borrowed