Question

3．我们别无选择只能认真去做．
Wehave no choice but todo it carefully．

Answer 1

分析 have no choice but to．

解答 答案：have no choice but to．这里是说客观事实用一般现在时，表示除了…别无选择，用have no choice but to do sth，主语是第一人称I，故答案是have no choice but to．

点评 have no choice but to do sth．除了…别无选择
have no choice but to accpet his invitation．
我除了接受他的邀请没有别的选择．
have nothing to do but do sth．除了…什么也没做
例如：I had nothing to do but slept all the time last Sunday．
（我上周日除了睡觉什么也没有做．）