It was not until dark _____ he found _____ he thought was the correct way to solve the problem.
#85046
A
that; that
B
that; what
C
when; what
D
when; that
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It is the photo we took years ago __________ we were at university_________ often calls up my memories of my college life.
#85346
A
that; that
B
when; where
C
when; that
D
that; where
It was on a cold winter evening_______ his father left home and was never back.
#85097
A
where
B
which
C
that
D
when
It was only with the help of special device ______ the information.
#85214
A
did they get
B
that they got
C
will they get
D
that they get
It is the protection for the trees___________ really matters, rather than how many trees are planted.
#85499
A
what
B
that
C
不填
D
which