The best way Tom thought of_________ his strength is to run for 30 minutes every day.
Which do you enjoy _____ your weekend, swimming or fishing?
I was so familiar with her that I recognized her voice ______ I picked up the phone.
I didn’t like the story, ______, it’s too long, also it was written by a writer I don’t know
— Spacecraft “Discovery” has failed in the course of launch. — _______? They have been preparing for the test.
— Why didn’t you come to Mike’s birthday party yesterday? — Well, I ____, but I forgot it.