If the sun’s rays were entirely _______, there would be dramatic changes in the climate on the earth, and the result could be disastrous to the human race.[ ]

Sinceyou are in trouble, why not ouroffer of help

Only when _____ possible to settle the problem.

He ___ in a minute.Ask someone else to do it

Helen, can I wear jeans and a T-shirt to the eveningparty —OK. But a dress might be .