1 I used to study French but I've had a long break so I'm taking lessons to
s_ _ _ _ e _ my skills. 2) Mr Brown is quite I_ _ i_ _ _ . I'm sure he won't mind if you hand in your homework tomorrow. 4)The house next to ours was s_ _ _ _ _
by lightning. There was a big fire but no one was hurt. ​

1.I used to study French but I've had a long break so I'm taking lessons to sharpen my skills.
2.Mr Brown is quite lenient. I'm sure he won't mind if you hand in your homework tomorrow.
3.The car accident was caused by the driver's negligence.
4.The house next to ours was struck by lightning. There was a big fire but no one was hurt.