To keep healthy,Professor Johnson _______ cycling as a regular form of exercise after he retired.

_______ Mr. Smith is not rich, ________he always givesmoney to the poor.

There is no doubt _____ China has maderapid progress in space exploration.

Will you read me astory, Mummy?— OK.You_____ have one if you go to bed as soon as possible.[ ]

Hardly _______ to speak when the audience interruptedhim.