- My dad bought me a new MP4, but I don’t know __________.
- Let’s read the instructions.
A．What to useB．how to use it
C．What to use itD．when to use
B

試題分析：考察固定結(jié)構(gòu)。固定結(jié)構(gòu)：特殊疑問詞+to do;該結(jié)構(gòu)相當(dāng)于從句�？梢宰鳛橹髡Z，賓語，表語，定語。本題中的how to use it作為動詞know的賓語，相當(dāng)于一個賓語從句。句意：—我爸爸買了一個新的MP4，但是我不知道如何使用。故B正確。
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