My grandparents prefer to live____ the climate is mild.
A. that
B. which
C. what
D. where
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I was thin____ I was a child
A. where
B. when
C. who
D. that
My mom was cooking____ I was doing my homework.
A. if
B. until
C. while
D. where
____ they arrived at the bus stop, the bus had gone.
A. Since
B. Till
C. Once
D. Before
I will write it down____ I forget.
A. untli
B. when
C. before
D. as
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