Why do you think David is the suitable person for the job?— Because he has higher ambitions _________ others have already been satisfied.

Bruce anastronaut last year.

We need a new leader for our Helping HandsClub，but I don’tknow_______.—Why not Mary She is always willing tohelp others.

______,please correct my mistakes in the composition.

“How about John?”“My uncle ______a good student．”