These plants are watered___________
#68283
A
each other day
B
every other day
C
each of two days
D
every of two days
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President Nixon was deeply_____in the Water Gate problem at that time.
#66601
A
included
B
involved
C
concerned
D
affected
At last they______ an agreement______ it. 
#69988
A
reached; on
B
concluded; at
C
arrived at; about
D
come to; in