The cousins are alike in age,but ________ they are as different as day and night.
I don’t like talking on_____telephone,I prefer writing____letters.
He____to school,so he turned off the alarm clock and went back to sleep.
----This is for you. ----You____have!I do not know how to thank you.
When I first met him, it seemed as if he______food for days.
President Nixon was deeply_____in the Water Gate problem at that time.