If he had decided where to go, he ___ on his way at present.
--- Have you finished the task? --- ________ it. We still need five more days.
________ our achievements, we are firmly convinced we’ll be able to achieve the final victory.
We should protect the environment, for plenty of fresh air ________ to good health.
“If _________ much time, I will teach you how to ________ the clothing store,” the boss said to me.
_________, I always feel I want a few more days.