David has won the first prize in singing; he is still very excited now and feels________ desire to go to bed.
________ you ought to do now is to see a doctor at once.
The medicine is on sale everywhere. You can get it at _______ chemist's.
The sign reads "In case of_______fire, break the glass and push______red button. "
—Will you go to Tom's birthday party tomorrow? —No,________invited to, for she is the last person I'd like to see.
——Does Callum have a new camera? ——Yes. In fact, it is quite similar ______ yours.