These Maths problems are too hard for me.Can you help me _____?

These Maths problems are too hard for me.Can you help me _____?

题目
These Maths problems are too hard for me.Can you help me _____?
A.work out them B.work them out
The boy can't carry the box.It is ______ heavy for him.
A.too much B.so much C.much too D.much
答案
第一选B.them是代词放在动词work之后,副词out之前.第二选C译为“实在太”
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