Some policemen should be sent to _______ them _______ the animals.
#95744
A
prevent; to kill
B
stop; killing
C
keep; to kill
D
keep; killing
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—Hi, Lydia. Are you going to the concert on Friday?—I’d like to. But there are so many problems_______.
#95338
A
remaining to be settled
B
remained settling
C
remaining to settle
D
remained to be settled
The boys, ______ this frightening person, lost their tongues. 
#96117
A
face
B
having faced
C
facing
D
faced
The new-opened park is such a beautiful place that it is well worth_______.
#96952
A
visit
B
to be visited
C
being visited
D
visiting