There's a nice-looking car there. peter wonders ______.
A. it belongs to who
B. whom does it belong to
C. whom it belongs to
D. who does it belogn
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The reason for his return is ______ he forgot his file folder.
A. because
B. what
C. why
D. that
Professor lee's book will show you_______ can be used in other context.
A. that you have observed
B. how that you have observed
C. that how you have observed
D. how what you have observed
Obviously they didn;t see the significance of the plan. That's _____ the problems was.
A. where
B. why
C. /
D. how
Much to the parents' cofort, their income is now double ______ it was ten years ago.
A. what
B. that
C. than
D. which