What should the people do to solve the food problem if they live in hilly areas ____ is hard to grow crops?
#71756
A
where  
B
when it  
C
that  
D
where it
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It’s not necessary to explain the truth _____ there is spring wind, there is green grass.
#68461
A
which wherever
B
that which
C
which when
D
that wherever
Can you make sure ______the gold ring?
#72721
A
where Alice had put
B
where had Alice put
C
where Alice has put
D
where has Alice put
 Look, a group of students are playing the violin there, _______ their teacher as the conductor.
#66829
A
in front of them stand
B
in front of them stands
C
in front of whom standing
D
in front of whom stands