1, I can't help........what I should do next.
A. but to wonder
B. except wonder
C. but wonder

2, All things (consider).......considered ..., she is the best student to represent our school.
3, The control center is deep undergrounded and completely........indestructible.except by a direct hit from a nuclear missile. (DESTROY)
4, Wash vegetables before eating them. --> Vegetable.....should be washed before being ate.....

1, I can't help........what I should do next.
A. but to wonder
B. except wonder
C. but wonder
D. apart wondering
2, All things (consider)....considered ......, she is the best student to represent our school.
3, The control center is deep undergrounded and completely....indestructible ......except by a direct hit from a nuclear missile. (DESTROY)
4, Vegetable should be washed before being ate

1 D 
2 consideration
3 destructed 
4 Vegetables should be washed before eating them