Question

英语问题，急急急。

17、think of
18、think about
19、think over
20、think out
说出以上意思。

Answer 1

17.想到
18.考虑
19.认真思考（If you think something over, you consider it carefully before
making a decision.在做决定前认真地思考，三思而后行）
20.全面考虑（If you think something out, you consider all the aspects and
details of it before doing anything or making a decision.在作出决定前考虑问题的每一个方面）

Answer 2

1，认为，预料

2，考虑
3，仔细考虑，重新考虑
4，解决，仔细考虑，发现

Answer 3

17.想到，就...思考/考虑 18.思考，考虑 19. 仔细思考 20.想出