—Tom came to work last Friday ,but no one has seen him since. — he have had an accident ?
The sign reads “in ease of___ fire ,break the glass and push _____red button”
I don’t like talking on ______telephone ; I prefer writing ____letter.
Jumping out of ____airplane at ten thousand feet is quite _____exciting experience.
One way to understand thousands of new words in gain _____good knowledge of basic word formation.
The cakes are delicious . He’d like have ______third one because _____second one is rather too small.