NoonebutI(have)suchabagTheboyaswellashisparents(be)friendlytoothers.Studyhardtopasstheexam(改为同义句).Studyhardpasstheexam,It'shardforthemtodecidewhichbooktochoose(同义句).They

Question

No one but I ___(have)such a bag
The boy as well as his parents ___(be) friendly to others.
 
Study hard to pass the exam (改为同义句).Study hard ___ ___ ___ pass the exam,
It's hard for them to decide which book to choose(同义句).They ___ ___ decide which book they should choose.

Answer 1

1 has ( 谓语动词与BUT 前的主语一致
2 is （ 谓语动词与THE BOY 一致
3 in order to
4 can not
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