The headmaster could not go to the meeting; therefore, Mr. Smith _______ him.

Li Hua hopes that his Englishteacher will suggest a good way to have his English ina short period of time .

________ not to miss the flight at 15：20, the manager set out for the airport in a hurry [ ]

_____ writing the article, Mrs Curie even forgot her dinner [ ]

I thinkyou are right .