I wonder________Mom will bake me a cake. [ ]A. why

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I wonder________Mom will bake me a cake.   [     ]
A. why
B. what
C. that
D. whether

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举一反三

         you do,I will support you.     [     ]
A. What
B. Whatever
C. Which
D. Whichever

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While flying,a bat makes a sound which hits things and comes back to its ears. In this way it"s able to know         the things are and avoid bumping into them.     [     ]
A. how
B. where
C. what
D. which

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_____Mary is busy, she always helps others.[     ]
A. Although
B. Since
C. Whether
D. Unless

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He asks me         to use the computer.   [     ]
A.why
B.if
C.whether
D.what

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I don"t know_________it will rain or not tomorrow.     [     ]
A. how
B. whether
C.when
D. that

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