【单选题】 His family was poor, He ______ drop out(退学) of school at the age of 14.
A．
| [A] had to |
B．
| [B] must |
C．
| [C] have to |
网考网参考答案：A
网考网解析：
mast 与have to 虽然都有“一定，必须”的意思，但have to 往往更强调“不得不”的意味。根据上句的意思，并注意到时态的一致性，所以填had to。 查看试题解析出处>>
【单选题】 His family was poor, He ______ drop out(退学) of school at the age of 14.
A．
| [A] had to |
| [B] must |
| [C] have to |
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