They will build nature reserves _____ protecting ______ birds.
#46946
A
to; in danger
B
for; endangered
C
to; endangered
D
for; in danger
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—We’ll have a hiking trip, but when shall we meet?—Let’s make it ___ half past eight ___ the morning of June 1.
#49417
A
at; in
B
at; on
C
/; in
D
about; by