71.   The U.S. military also helped out with teams of metal cutters and medics, as well as dogs that sniffed for survivors and bodies.

72.   They traveled under tight security by Cypriot anti-terror police, dressed in black or camouflaged uniforms and with dogs sniffing for explosives.

73.   They used dogs to sniff for explosives.

74.   They were traveling under tight security by Cypriot anti-terror police, dressed in black or camouflaged uniforms and with dogs sniffing for explosives.

75.   Trained dogs sniffed for bombs at places the pope will visit.

76.   Workers continued to check photo IDs as a dog sniffed for bombs at a boarding gate.

77.   Work was suspended two weeks ago because the U.N. team did not have any dogs to sniff for mines around the sites.

78.   Dogs trained to sniff for drugs had checked the boat but found nothing.

v. + for >>共 935
work 5.21%
use 3.49%
know 3.31%
reach 3.03%
fight 2.21%
qualify 1.86%
be 1.81%
write 1.33%
close 1.07%
treat 1.03%
sniff 0.03%
sniff + p. >>共 25
out 51.18%
for 20.47%
around 13.12%
through 3.15%
in 2.36%
like 1.05%
with 1.05%
after 0.79%
as 0.79%
round 0.79%
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