When she saw her son liked reading, she did all she could ______ him.
Tom said he had been working for three hours, _____ ,evidently, was untrue.
--May I use your cellphone? ---_____. We are good freinds
_____his leg wounded accidentally, he still came to the meeting on time.
I could have called you for help, but I ____ your number.
How I wish I ____ the mistake! Everybody present was angry with me.