单项选择（每题1分）In his letter was his promise _____ he would spend the Christmas Eve with me.
#70344
A
that
B
what
C
which
D
whether
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This is the only one of the books on space ___.
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A
that has been written
B
that have been written
C
which have been written
D
which has been written
As to his criticism, I don’t mind it in the least, but______is how he does it that I can’t take.
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A
which
B
that
C
this
D
it
As far as I see, is no possibility he will win the tennis match this time.
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A
it ; that
B
there; that
C
it ; whether
D
there; whether
He offered to drive me to the airport, I felt so grateful.
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A
to whom
B
to which
C
for which
D
for whom
One generation plants the trees under shade another generation rests.
#68643
A
which
B
where
C
whose
D
what