At the news of the earthquake, the soldiers did what they could       the victims.  
#95425
A
help
B
to help
C
to helping
D
helping
推荐题目
Mary seems _______ the bad news, for she looks nice and happy.  
#92386
A
not to have learned
B
not to be hearing
C
not having learned
D
not to be
—What made him so worried.—       his wallet.
#91811
A
Having lost
B
Losing
C
Lose
D
Lost