问题
选择题
You were silly not _______ your car.
A．to lock
B．to have locked
C．locking
D．having locked
答案
B
此题考查如何用不定式体现时态。要体现不定式的动作先于或应该先于谓语动词之前发生，该不定式要用完成形式。
搜题请搜索小程序“爱下问搜题”
You were silly not _______ your car.
A．to lock
B．to have locked
C．locking
D．having locked
B
此题考查如何用不定式体现时态。要体现不定式的动作先于或应该先于谓语动词之前发生，该不定式要用完成形式。